PT-2009-2740 · Isc+2 · Bind+2

Published 2009-01-07 · Updated 2018-10-11 · CVE-2009-0025

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions BIND versions 9.6.0, 9.5.1, 9.5.0, 9.4.3, and earlier

Description The issue allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature. This occurs because the software does not properly check the return value from the OpenSSL DSA verify function.

Recommendations For versions 9.6.0, 9.5.1, 9.5.0, 9.4.3, and earlier, update to a version that properly checks the return value from the OpenSSL DSA verify function to prevent bypassing of certificate chain validation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2009-0025

DSA-1703-1

RHSA-2009:0020

RHSA-2009_0020

Affected Products

Bind

Openssl

Red Hat

References · 39

• https://security-tracker.debian.org/tracker/CVE-2009-0025 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2009-0025 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2009-0025 · Security Note
• http://marc.info/?l=bugtraq&m=141879471518471&w=2 · Vendor Advisory
• https://redhat.com/archives/fedora-package-announce/2009-January/msg00393.html · Vendor Advisory
• http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.540362 · Vendor Advisory
• http://lists.apple.com/archives/security-announce/2009/May/msg00002.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2009-0025 · Vendor Advisory
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-250846-1 · Vendor Advisory
• http://security.freebsd.org/advisories/FreeBSD-SA-09:04.bind.asc · Vendor Advisory
• http://secunia.com/advisories/33683 · Note
• http://secunia.com/advisories/33559 · Note
• http://vupen.com/english/advisories/2009/1297 · Note
• http://us-cert.gov/cas/techalerts/TA09-133A.html · Note
• http://securityfocus.com/archive/1/500207/100/0/threaded · Note