CVE-2010-1192

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-03-31 · updated 2026-06-16
Weakness: CWE-310

Description

libESMTP, probably 1.0.4 and earlier, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Affected products

Stafford.Uklinux Libesmtp: through 1.0.4; 0.1, 0.1-a, 0.2, 0.3, 0.4, 0.5 (+24)

References

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
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

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