{"id":"CVE-2008-0610","aliases":["EUVD-2008-0620","GHSA-vm88-xwrf-p2q7"],"status":"published","title":"Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in...","description":"Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a modified size value.","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.38757,"percentile":0.98593,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2008-02-06T11:00:00Z","modified":"2026-06-16T22:49:59Z","exploits":[{"source":"exploitdb","id":"EDB-18666","title":"UltraVNC 1.0.2 Client - 'vncviewer.exe' Remote Buffer Overflow (Metasploit)","type":"remote","platform":"windows","date":"2012-03-26","verified":true,"url":"https://www.exploit-db.com/exploits/18666"},{"source":"metasploit","id":"exploit/windows/vnc/ultravnc_viewer_bof","title":"UltraVNC 1.0.2 Client (vncviewer.exe) Buffer Overflow","type":"exploit","platform":"Windows","date":"2008-02-06","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/vnc/ultravnc_viewer_bof"}],"products":[{"vendor":"ultravnc","product":"ultravnc"}],"references":[{"url":"http://sourceforge.net/project/shownotes.php?release_id=571174\u0026group_id=63887","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/27561","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Patch"]},{"url":"http://www.kb.cert.org/vuls/id/721460","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"http://secunia.com/advisories/28747","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"http://forum.ultravnc.info/viewtopic.php?t=11850","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://ultravnc.svn.sourceforge.net/viewvc/ultravnc/UltraVNC%20Project%20Root/UltraVNC/vncviewer/ClientConnection.cpp?sortby=date\u0026r1=169\u0026r2=168\u0026pathrev=169","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.exploit-db.com/exploits/18666","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"http://www.securitytracker.com/id?1019293","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2008/0392","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-0610"},{"url":"https://github.com/advisories/GHSA-vm88-xwrf-p2q7"}],"sources":{"cve":[{"id":"CVE-2008-0610","description":"Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a modified size value.","status":"published","published":"2008-02-06T11:00:00Z","modified":"2024-08-07T07:54:22.414Z","updated_at":"2026-11-02T14:34:48.505097Z"}],"euvd":[{"id":"EUVD-2008-0620","description":"Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a modified size value.","status":"published","published":"2008-02-06T11:00:00Z","modified":"2024-08-07T07:54:22Z","updated_at":"2026-11-03T01:39:04.792524Z"}],"ghsa":[{"id":"GHSA-vm88-xwrf-p2q7","title":"Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in...","description":"Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a modified size value.","status":"published","published":"2022-05-01T23:31:47Z","modified":"2023-01-31T05:05:14Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:48:49.089901Z"}],"nvd":[{"id":"CVE-2008-0610","description":"Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a modified size value.","status":"published","published":"2008-02-06T12:00:00Z","modified":"2026-06-16T22:49:59.393Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:24.89535Z"}]}}