CVE-2009-3942
Martin Lambers msmtp before 1.4.19, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the (1) subject's Common Name or (2) Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers…
Does this matter?
Lower severity and a low EPSS score (1.08%). Track it; it rarely justifies an emergency change on its own.
Description
Martin Lambers msmtp before 1.4.19, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the (1) subject's Common Name or (2) Subject Alternative Name 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.
- CVSS 2.0
- 6.4 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:P
- EPSS
- 1.08% probability · 63th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-310
- Affected
- martin lambers/msmtp
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00007.html
- http://msmtp.sourceforge.net/news.html
- http://secunia.com/advisories/37321Vendor Advisory
- http://www.vupen.com/english/advisories/2009/3224Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00007.html
- http://msmtp.sourceforge.net/news.html
- http://secunia.com/advisories/37321Vendor Advisory
- http://www.vupen.com/english/advisories/2009/3224Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.