Vulnerability Details : 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.
Products affected by CVE-2010-1194
- cpe:2.3:a:stafford.uklinux:libesmtp:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.8.10:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.8.9:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.6:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.3:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.1:-:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:1.0.3:r1:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:1.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.8.12:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.8.6:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.8.5:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.6:a:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.2:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.8.10:p1:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.8.11:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.8.4:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.5:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.8.7:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.8.8:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.1:a:*:*:*:*:*:*
- cpe:2.3:a:stafford.uklinux:libesmtp:0.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2010-1194
0.45%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2010-1194
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
CWE ids for CVE-2010-1194
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2010-1194
-
http://www.vupen.com/english/advisories/2010/1107
Webmail | OVH- OVH
-
http://www.openwall.com/lists/oss-security/2010/03/03/6
oss-security - CVE Request: libesmtp does not check NULL bytes in commonName
-
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=311191
#311191 - libesmtp5: Flaw in TLS certificate hostname matching code - Debian Bug report logsPatch
-
http://www.openwall.com/lists/oss-security/2010/03/09/3
oss-security - Re: CVE Request: libesmtp does not check NULL bytes in commonName
-
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
[security-announce] SUSE Security Summary Report: SUSE-SR:2010:011
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