Access Restriction Bypass Affecting exim4 package, versions <4.86.2-1
Snyk CVSS
Attack Complexity
High
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
Exploit Maturity
Mature
EPSS
0.06% (23rd
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN11-EXIM4-518723
- published 7 Apr 2016
- disclosed 7 Apr 2016
Introduced: 7 Apr 2016
CVE-2016-1531 Open this link in a new tabHow to fix?
Upgrade Debian:11 exim4 to version 4.86.2-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream exim4 package and not the exim4 package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
Exim before 4.86.2, when installed setuid root, allows local users to gain privileges via the perl_startup argument.
References
- https://security-tracker.debian.org/tracker/CVE-2016-1531
- http://www.debian.org/security/2016/dsa-3517
- https://www.exploit-db.com/exploits/39535/
- https://www.exploit-db.com/exploits/39549/
- https://www.exploit-db.com/exploits/39702/
- http://packetstormsecurity.com/files/136124/Exim-4.84-3-Local-Root-Privilege-Escalation.html
- http://www.exim.org/static/doc/CVE-2016-1531.txt
- http://www.rapid7.com/db/modules/exploit/unix/local/exim_perl_startup
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00026.html
- http://www.securitytracker.com/id/1035512
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-1531
- http://www.ubuntu.com/usn/USN-2933-1
- https://www.exploit-db.com/exploits/39549