CVE-2016-1531: Exim before 4.86.2, when installed setuid root, allows local users to gain privileges via the perl_startup argument

High severity · published Apr 7, 2016

CVE-2016-1531

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

7.0

CVSS

6.2%

EPSS

On KEV

Description

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

CVSS vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack vector

Local

Complexity

High

Privileges

Low

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)6.2% · higher than 94% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Exim · Exim

through 4.86 · source: NVD

Affected product

Exim

All Exim CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2016-1531

CVE.org

https://www.cve.org/CVERecord?id=CVE-2016-1531

lists.opensuse.org

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00026.html

Exploit

http://packetstormsecurity.com/files/136124/Exim-4.84-3-Local-Root-Privilege-Escalation.html

www.debian.org

http://www.debian.org/security/2016/dsa-3517

Third Party Advisory

http://www.exim.org/static/doc/CVE-2016-1531.txt

www.rapid7.com

http://www.rapid7.com/db/modules/exploit/unix/local/exim_perl_startup

www.securitytracker.com

http://www.securitytracker.com/id/1035512