Home/CVE/Exim before 4.86.2, when installed setuid root, allows local users to gain privileges via the perl_startup argument.
CVE

CVE-2016-1531

Exim before 4.86.2, when installed setuid root, allows local users to gain privileges via the perl_startup argument.

Exim before 4.86.2, when installed setuid root, allows local users to gain privileges via the perl_startup argument.

HIGH · CVSS 7 EPSS 0.5677
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

1
exim<= 4.86
⚠

Public Exploits & PoCs

7
localExim - 'perl_startup' Local Privilege Escalation (Metasploit)verified
localExim < 4.86.2 - Local Privilege Escalationverified
localExim 4.84-3 - Local Privilege Escalationverified
pocpacketstormsecurity.com · Exim-4.84-3-Local-Root-Privilege-Escalation.htmlpacketstormsecurity.com
pocwww.exploit-db.com · 39535www.exploit-db.com
pocwww.exploit-db.com · 39549www.exploit-db.com
pocwww.exploit-db.com · 39702www.exploit-db.com
▣

Scoring & Timeline

7
HIGH · CVSS v3.0 · cret@cert.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Apr 2016 · 11:59 PM
CVSS VectorCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

2
suse-csafopenSUSE-SU-2024:10017-1
usnUSN-2933-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00026.html
http://www.debian.org/security/2016/dsa-3517
http://www.exim.org/static/doc/CVE-2016-1531.txtThird Party AdvisoryUS Government Resource
http://www.rapid7.com/db/modules/exploit/unix/local/exim_perl_startup
http://www.securitytracker.com/id/1035512
http://www.ubuntu.com/usn/USN-2933-1
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