Vulnerability in Martin Lambers Msmtp
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 to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.4 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.011 (63.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Martin Lambers Msmtp — versions 0.2.5, 0.2.6, 0.3.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2010-01/msg00007.html (vendor-advisory)
- msmtp.sourceforge.net/news.html
- secunia.com/advisories/37321 (Vendor Advisory, third-party-advisory)
- www.vupen.com/english/advisories/2009/3224 (vdb-entry, Vendor Advisory)
Frequently asked questions
- What is CVE-2009-3942?
- CVE-2009-3942 is a vulnerability in Martin Lambers Msmtp, classified under Cryptographic Issues. Published 2009-11-16.
- Is CVE-2009-3942 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.