Vulnerability CVE-2010-1194
Published: 2010-03-31   Modified: 2012-02-13

Description:
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.

Type:

CWE-310

 (Cryptographic Issues)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Stafford.uklinux -> Libesmtp 

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