PT-2009-2822 · Perl · Libcrypt-Openssl-Dsa-Perl

Jan Lieskovsky · Published 2009-01-15 · Updated 2009-01-16 · CVE-2009-0129

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions libcrypt-openssl-dsa-perl (affected versions not specified)

Description The issue is related to the improper checking of return values from the OpenSSL DSA verify and DSA do verify functions. This could potentially allow remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2009-0129

Affected Products

Libcrypt-Openssl-Dsa-Perl

References · 6

• 🔥 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511519 · Exploit
• https://security-tracker.debian.org/tracker/CVE-2009-0129 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2009-0129 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2009-0129 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2009-0129 · Security Note
• http://openwall.com/lists/oss-security/2009/01/12/4 · Note