SB2011053101 - Input validation error in ISC BIND

Description

This security bulletin contains information about 1 security vulnerability.

1) Input validation error (CVE-ID: CVE-2011-1910)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Off-by-one error in named in ISC BIND 9.x before 9.7.3-P1, 9.8.x before 9.8.0-P2, 9.4-ESV before 9.4-ESV-R4-P1, and 9.6-ESV before 9.6-ESV-R4-P1 allows remote DNS servers to cause a denial of service (assertion failure and daemon exit) via a negative response containing large RRSIG RRsets.

Remediation

Install update from vendor's website.

References

• http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061082.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061401.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061405.html
• http://marc.info/?l=bugtraq&m=142180687100892&w=2
• http://osvdb.org/72540
• http://secunia.com/advisories/44677
• http://secunia.com/advisories/44719
• http://secunia.com/advisories/44741
• http://secunia.com/advisories/44744
• http://secunia.com/advisories/44758
• http://secunia.com/advisories/44762
• http://secunia.com/advisories/44783
• http://secunia.com/advisories/44929
• http://security.freebsd.org/advisories/FreeBSD-SA-11:02.bind.asc
• http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.685026
• http://support.apple.com/kb/HT5002
• http://www.debian.org/security/2011/dsa-2244
• http://www.kb.cert.org/vuls/id/795694
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:104
• http://www.redhat.com/support/errata/RHSA-2011-0845.html
• http://www.securityfocus.com/bid/48007
• http://www.securitytracker.com/id?1025572
• https://bugzilla.redhat.com/show_bug.cgi?id=708301
• https://hermes.opensuse.org/messages/8699912
• https://www.isc.org/software/bind/advisories/cve-2011-1910