{"id":"CVE-2018-0498","aliases":["ALPINE-CVE-2018-0498","DEBIAN-CVE-2018-0498","DLA-1518-1","DSA-4296-1","EUVD-2018-1321","GHSA-f3f3-2pmh-mpg9","MGASA-2018-0432","UBUNTU-CVE-2018-0498","USN-4267-1"],"status":"published","title":"ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial...","description":"ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack.","severity":{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00373,"percentile":0.31412,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2018-07-28T17:00:00Z","modified":"2026-10-24T10:30:19Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"mbedtls","fixed_in":["2.12.0-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"mbedtls","fixed_in":["2.12.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mbedtls","fixed_in":["2.12.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mbedtls","fixed_in":["2.12.0-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"mbedtls","fixed_in":["2.2.1-2ubuntu0.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.10","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.11","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"polarssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.9-2.1+deb8u4"}]}],"versions":["1.3.9-2.1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List","Third Party Advisory","advisory"]},{"url":"https://www.debian.org/security/2018/dsa-4296","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-02","tags":["x_refsource_CONFIRM","x_transferred","Mitigation","Third Party Advisory","advisory","report"]},{"url":"https://usn.ubuntu.com/4267-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-0498"},{"url":"https://github.com/advisories/GHSA-f3f3-2pmh-mpg9"},{"url":"https://security.alpinelinux.org/vuln/CVE-2018-0498","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-0498","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2018-0432.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=23660","tags":["report"]},{"url":"https://tls.mbed.org/tech-updates/releases/mbedtls-2.12.0-2.7.5-and-2.1.14-released","tags":["web"]},{"url":"https://tls.mbed.org/tech-updates/releases/mbedtls-2.13.0-2.7.6-and-2.1.15-released","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2018-0498","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4267-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-0498","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-18187","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-0487","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-0488","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-0497","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-0498","description":"ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack.","status":"published","published":"2018-07-28T17:00:00Z","modified":"2024-08-05T03:28:10.856Z","updated_at":"2026-11-02T14:35:12.160284Z"}],"euvd":[{"id":"EUVD-2018-1321","description":"ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack.","status":"published","published":"2018-07-28T17:00:00Z","modified":"2024-08-05T03:28:10Z","updated_at":"2026-11-03T02:40:18.31448Z"}],"ghsa":[{"id":"GHSA-f3f3-2pmh-mpg9","title":"ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial...","description":"ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack.","status":"published","published":"2022-05-13T01:28:29Z","modified":"2023-02-01T05:08:00Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T14:50:39.462624Z"}],"nvd":[{"id":"CVE-2018-0498","description":"ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack.","status":"published","published":"2018-07-28T17:29:00.287Z","modified":"2026-06-17T01:30:59.247Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":1.9,"vector":"AV:L/AC:M/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:04:35.310988Z"}],"osv":[{"id":"ALPINE-CVE-2018-0498","description":"ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack.","status":"published","published":"2018-07-28T17:29:00.287Z","modified":"2026-10-23T17:17:55.144494659Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:27:47.187336Z"},{"id":"CVE-2018-0498","description":"ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack.","status":"published","published":"2018-07-28T17:29:00.287Z","modified":"2026-10-24T10:30:19.568436797Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:07.192756Z"},{"id":"DEBIAN-CVE-2018-0498","description":"ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack.","status":"published","published":"2018-07-28T17:29:00.287Z","modified":"2026-10-23T18:02:55.165998385Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:29.988046Z"},{"id":"UBUNTU-CVE-2018-0498","description":"ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack.","status":"published","published":"2018-07-28T17:29:00Z","modified":"2026-04-22T11:38:43.268056Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:16.154988Z"},{"id":"DLA-1518-1","title":"polarssl - security update","status":"published","published":"2018-09-25T00:00:00Z","modified":"2026-03-09T01:00:57.675099Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"DSA-4296-1","title":"mbedtls - security update","status":"published","published":"2018-09-16T00:00:00Z","modified":"2026-03-09T02:09:32.316655Z","updated_at":"2026-11-02T15:46:16.862196Z"},{"id":"MGASA-2018-0432","title":"Updated mbedtls packages fix security vulnerabilities","description":"Updated mbedtls package fixes security vulnerabilities:\n\nFixed a vulnerability in the TLS ciphersuites based on use of CBC and\nSHA-384 in DTLS/TLS 1.0 to 1.2, that allowed an active network attacker\nto partially recover the plaintext of messages under certains conditions\nby exploiting timing side-channels (CVE-2018-0497).\n\nFixed a vulnerability in TLS ciphersuites based on CBC, in DTLS/TLS 1.0\nto 1.2, that allowed a local attacker, with the ability to execute code\non the local machine as well as to manipulate network packets, to partially\nrecover the plaintext of messages under certain conditions (CVE-2018-0498).\n\nFixed an issue in the X.509 module which could lead to a buffer overread\nduring certificate extensions parsing (no CVE assigned).\n","status":"published","published":"2018-11-03T11:55:18Z","modified":"2026-04-16T06:24:47.683843156Z","updated_at":"2026-11-02T15:49:40.793816Z"},{"id":"USN-4267-1","title":"mbedtls vulnerabilities","description":"It was discovered that mbedtls has a bounds-check bypass through an integer\noverflow that can be used by an attacked to execute arbitrary code or cause a\ndenial of service.\n(CVE-2017-18187)\n\nIt was discovered that mbedtls has a vulnerability where an attacker could\nexecute arbitrary code or cause a denial of service (buffer overflow)\nvia a crafted certificate chain that is mishandled during RSASSA-PSS\nsignature verification within a TLS or DTLS session.\n(CVE-2018-0487)\n\nIt was discovered that mbedtls has a vulnerability where an attacker could\nexecute arbitrary code or cause a denial of service (heap corruption) via a\ncrafted application packet within a TLS or DTLS session.\n(CVE-2018-0488)\n\nIt was discovered that mbedtls has a vulnerability that allows remote\nattackers to achieve partial plaintext recovery (for a CBC based ciphersuite)\nvia a timing-based side-channel attack.\n(CVE-2018-0497)\n\nIt was discovered that mbedtls has a vulnerability that allows local users to\nachieve partial plaintext recovery (for a CBC based ciphersuite) via a\ncache-based side-channel attack.\n(CVE-2018-0498)\n","status":"published","published":"2020-02-05T12:12:16Z","modified":"2026-04-27T15:48:42.654286426Z","updated_at":"2026-11-02T16:58:14.547547Z"}]}}