Reachable Assertion Affecting bind-sdb-chroot package, versions <32:9.9.4-29.el7_2.4
Threat Intelligence
Snyk has a published code exploit for this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-RHEL7-BINDSDBCHROOT-4679609
- published26 Jul 2021
- disclosed27 Sept 2016
Introduced: 27 Sep 2016
CVE-2016-2776 (opens in a new tab)How to fix?
Upgrade RHEL:7 bind-sdb-chroot to version 32:9.9.4-29.el7_2.4 or higher.
This issue was patched in RHSA-2016:1944.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bind-sdb-chroot package and not the bind-sdb-chroot package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
buffer.c in named in ISC BIND 9 before 9.9.9-P3, 9.10.x before 9.10.4-P3, and 9.11.x before 9.11.0rc3 does not properly construct responses, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted query.
References
- http://www.securityfocus.com/bid/93188
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05321107
- https://kb.isc.org/article/AA-01419/0
- https://kb.isc.org/article/AA-01435
- https://kb.isc.org/article/AA-01436
- https://kb.isc.org/article/AA-01438
- https://security.netapp.com/advisory/ntap-20160930-0001/
- http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- https://access.redhat.com/security/cve/CVE-2016-2776
- https://www.exploit-db.com/exploits/40453/
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:28.bind.asc
- https://security.gentoo.org/glsa/201610-07
- http://rhn.redhat.com/errata/RHSA-2016-1944.html
- http://rhn.redhat.com/errata/RHSA-2016-1945.html
- http://rhn.redhat.com/errata/RHSA-2016-2099.html
- https://access.redhat.com/errata/RHSA-2016:1944
- http://www.securitytracker.com/id/1036903
- https://www.exploit-db.com/exploits/40453