PT-2009-6156 · Openssl · Openssl

Published 2009-11-16 · Updated 2009-11-19 · CVE-2009-3941

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions mpop versions prior to 1.0.19

Description The issue arises from improper handling of a '0' character in a domain name within the subject's Common Name or Subject Alternative Name field of an X.509 certificate when OpenSSL is used. This allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.

Recommendations For versions prior to 1.0.19, update to version 1.0.19 or later to resolve the issue.

Fix

Weakness Enumeration

CWE-310

Related Identifiers

CVE-2009-3941

Affected Products

Openssl

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2009-3941 · Security Note
• http://vupen.com/english/advisories/2009/3225 · Vendor Advisory
• https://ubuntu.com/security/CVE-2009-3941 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2009-3941 · Security Note
• http://secunia.com/advisories/37312 · Vendor Advisory
• http://mpop.sourceforge.net/news.html · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2009-3941 · Vendor Advisory