CVE-2010-1194

The match_component function in smtp-tls.c in libESMTP 1.0.3.r1, and possibly other versions including 1.0.4, treats two strings as equal if one is a substring of the other, which allows remote attackers to spoof trusted certificates via a crafted subjectAltName.

Score

CVSS 2.0 6.8 Medium

Status

Modified - security@ubuntu.com

Published

2010-03-31

Last modified

2024-08-07

Weaknesses

CWE-310

Affected products

• Libesmtp (Stafford.uklinux)

References

• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=311191
• http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
• http://www.openwall.com/lists/oss-security/2010/03/03/6
• http://www.openwall.com/lists/oss-security/2010/03/09/3
• http://www.vupen.com/english/advisories/2010/1107