{"id":"CVE-2025-53633","aliases":["EUVD-2025-21056","GHSA-r7fm-3pqm-ww5w","GO-2025-3810","openSUSE-SU-2025:15405-1"],"status":"published","title":"Chall-Manager's scenario decoding process does not check for zip bombs","description":"Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. When decoding a scenario (i.e. a zip archive), the size of the decoded content is not checked, potentially leading to zip bombs decompression. Exploitation does not require authentication nor authorization, so anyone can exploit it. It should nonetheless not be exploitable as it is highly recommended to bury Chall-Manager deep within the infrastructure due to its large capabilities, so no users could reach the system. Patch has been implemented by commit 14042aa and shipped in v0.1.4.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00527,"percentile":0.44936,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-405","CWE-409"],"published":"2025-07-10T17:50:25Z","modified":"2026-10-28T02:30:30Z","fixes":[{"ecosystem":"Go","package":"github.com/ctfer-io/chall-manager","fixed_in":["0.1.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/ctfer-io/chall-manager","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/ctfer-io/chall-manager","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.1.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/ctfer-io/chall-manager","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.1.4"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"govulncheck-vulndb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.20250730T213748-1.1"}]}],"bundled":56}],"products":[{"vendor":"ctfer-io","product":"chall-manager"}],"references":[{"url":"https://github.com/ctfer-io/chall-manager/security/advisories/GHSA-r7fm-3pqm-ww5w","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://github.com/ctfer-io/chall-manager/commit/14042aa66a577caee777e10fe09adcf2587d20dd","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/ctfer-io/chall-manager/releases/tag/v0.1.4","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53633","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-r7fm-3pqm-ww5w"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53633.json","tags":["advisory"]},{"url":"https://github.com/ctfer-io/chall-manager","tags":["package"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2024-44905","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-44906","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-56731","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-0928","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-1088","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-30086","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-32019","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-3227","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-3228","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-3415","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-4563","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-4656","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-46702","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-4674","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-47281","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-47871","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-47943","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-4922","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-4981","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-49825","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-5030","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-51471","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52477","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52889","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52890","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52893","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52894","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52900","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52901","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52902","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52903","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52904","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52995","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52996","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52997","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-53512","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-53513","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-53547","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-53632","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-53633","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-53634","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-53826","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-53893","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-53945","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-54059","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-54379","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-5689","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-5981","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6023","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6032","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6224","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6226","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6227","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6233","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6264","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-6624","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2025-53633","title":"Chall-Manager's scenario decoding process does not check for zip bombs","description":"Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. When decoding a scenario (i.e. a zip archive), the size of the decoded content is not checked, potentially leading to zip bombs decompression. Exploitation does not require authentication nor authorization, so anyone can exploit it. It should nonetheless not be exploitable as it is highly recommended to bury Chall-Manager deep within the infrastructure due to its large capabilities, so no users could reach the system. Patch has been implemented by commit 14042aa and shipped in v0.1.4.","status":"published","published":"2025-07-10T19:38:19.564Z","modified":"2025-07-10T20:02:40.218Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-405"],"updated_at":"2026-11-02T14:32:49.503917Z"}],"euvd":[{"id":"EUVD-2025-21056","description":"Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. When decoding a scenario (i.e. a zip archive), the size of the decoded content is not checked, potentially leading to zip bombs decompression. Exploitation does not require authentication nor authorization, so anyone can exploit it. It should nonetheless not be exploitable as it is highly recommended to bury Chall-Manager deep within the infrastructure due to its large capabilities, so no users could reach the system. Patch has been implemented by commit 14042aa and shipped in v0.1.4.","status":"published","published":"2025-07-10T19:38:19Z","modified":"2025-07-10T20:02:40Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T20:32:09.615515Z"}],"ghsa":[{"id":"GHSA-r7fm-3pqm-ww5w","title":"Chall-Manager's scenario decoding process does not check for zip bombs","description":"### Impact\n\nWhen decoding a scenario (i.e. a zip archive), the size of the decoded content is not checked, potentially leading to zip bombs decompression.\nExploitation does not require authentication nor authorization, so anyone can exploit it. It should nonetheless not be exploitable as it is highly recommended to bury Chall-Manager deep within the infrastructure due to its large capabilities, so no users could reach the system.\n\n### Patches\n\nPatch has been implemented by [commit `14042aa`](https://github.com/ctfer-io/chall-manager/commit/14042aa66a577caee777e10fe09adcf2587d20dd) and shipped in [`v0.1.4`](https://github.com/ctfer-io/chall-manager/releases/tag/v0.1.4).\n\n### Workarounds\n\nNo workaround exist.\n\n### References\n\nN/A.","status":"published","published":"2025-07-10T17:50:25Z","modified":"2025-07-10T23:21:55Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-405","CWE-409"],"updated_at":"2026-11-02T14:38:49.837727Z"}],"nvd":[{"id":"CVE-2025-53633","description":"Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. When decoding a scenario (i.e. a zip archive), the size of the decoded content is not checked, potentially leading to zip bombs decompression. Exploitation does not require authentication nor authorization, so anyone can exploit it. It should nonetheless not be exploitable as it is highly recommended to bury Chall-Manager deep within the infrastructure due to its large capabilities, so no users could reach the system. Patch has been implemented by commit 14042aa and shipped in v0.1.4.","status":"published","published":"2025-07-10T20:15:27.823Z","modified":"2026-06-17T09:38:36.657Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-405"],"updated_at":"2026-11-02T14:11:18.285862Z"}],"osv":[{"id":"CVE-2025-53633","title":"Chall-Manager's scenario decoding process does not check for zip bombs","description":"Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. When decoding a scenario (i.e. a zip archive), the size of the decoded content is not checked, potentially leading to zip bombs decompression. Exploitation does not require authentication nor authorization, so anyone can exploit it. It should nonetheless not be exploitable as it is highly recommended to bury Chall-Manager deep within the infrastructure due to its large capabilities, so no users could reach the system. Patch has been implemented by commit 14042aa and shipped in v0.1.4.","status":"published","published":"2025-07-10T19:38:19.564Z","modified":"2026-10-28T02:30:30.346236549Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-405"],"updated_at":"2026-11-02T15:44:50.45326Z"},{"id":"GHSA-r7fm-3pqm-ww5w","title":"Chall-Manager's scenario decoding process does not check for zip bombs","description":"### Impact\n\nWhen decoding a scenario (i.e. a zip archive), the size of the decoded content is not checked, potentially leading to zip bombs decompression.\nExploitation does not require authentication nor authorization, so anyone can exploit it. It should nonetheless not be exploitable as it is highly recommended to bury Chall-Manager deep within the infrastructure due to its large capabilities, so no users could reach the system.\n\n### Patches\n\nPatch has been implemented by [commit `14042aa`](https://github.com/ctfer-io/chall-manager/commit/14042aa66a577caee777e10fe09adcf2587d20dd) and shipped in [`v0.1.4`](https://github.com/ctfer-io/chall-manager/releases/tag/v0.1.4).\n\n### Workarounds\n\nNo workaround exist.\n\n### References\n\nN/A.","status":"published","published":"2025-07-10T17:50:25Z","modified":"2025-07-28T20:41:53.919648Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-405","CWE-409"],"updated_at":"2026-11-02T15:46:55.480549Z"},{"id":"GO-2025-3810","title":"Chall-Manager's scenario decoding process does not check for zip bombs in github.com/ctfer-io/chall-manager","description":"Chall-Manager's scenario decoding process does not check for zip bombs in github.com/ctfer-io/chall-manager","status":"published","published":"2025-07-28T19:57:13Z","modified":"2026-03-03T04:56:44.111655Z","updated_at":"2026-11-02T15:47:01.728182Z"},{"id":"openSUSE-SU-2025:15405-1","title":"govulncheck-vulndb-0.0.20250730T213748-1.1 on GA media","description":"These are all security issues fixed in the govulncheck-vulndb-0.0.20250730T213748-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-08-04T00:00:00Z","modified":"2026-03-23T04:53:44.42671Z","updated_at":"2026-11-02T16:58:37.810934Z"}]}}
