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Vulnerability details: VCID-15b3-xhzm-aaaf
Vulnerability ID VCID-15b3-xhzm-aaaf
Aliases CVE-2016-1531
Summary Exim before 4.86.2, when installed setuid root, allows local users to gain privileges via the perl_startup argument.
Status Published
Exploitability 2.0
Weighted Severity 8.0
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-264 Permissions, Privileges, and Access Controls
CWE-426 Untrusted Search Path
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1531.html
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2016-1531
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epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2016-1531
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2016-1531
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epss 0.31903 https://api.first.org/data/v1/epss?cve=CVE-2016-1531
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epss 0.34131 https://api.first.org/data/v1/epss?cve=CVE-2016-1531
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epss 0.3746 https://api.first.org/data/v1/epss?cve=CVE-2016-1531
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epss 0.38272 https://api.first.org/data/v1/epss?cve=CVE-2016-1531
epss 0.39802 https://api.first.org/data/v1/epss?cve=CVE-2016-1531
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epss 0.39802 https://api.first.org/data/v1/epss?cve=CVE-2016-1531
epss 0.41342 https://api.first.org/data/v1/epss?cve=CVE-2016-1531
epss 0.41342 https://api.first.org/data/v1/epss?cve=CVE-2016-1531
epss 0.41548 https://api.first.org/data/v1/epss?cve=CVE-2016-1531
epss 0.41548 https://api.first.org/data/v1/epss?cve=CVE-2016-1531
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epss 0.41548 https://api.first.org/data/v1/epss?cve=CVE-2016-1531
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1314293
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1531
cvssv2 6.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
generic_textual Medium https://lists.exim.org/lurker/message/20160302.191005.a72d8433.en.html
cvssv2 6.9 https://nvd.nist.gov/vuln/detail/CVE-2016-1531
cvssv3 7.0 https://nvd.nist.gov/vuln/detail/CVE-2016-1531
generic_textual Medium https://ubuntu.com/security/notices/USN-2933-1
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00026.html
http://packetstormsecurity.com/files/136124/Exim-4.84-3-Local-Root-Privilege-Escalation.html
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1531.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-1531.json
https://api.first.org/data/v1/epss?cve=CVE-2016-1531
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1531
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.exim.org/lurker/message/20160302.191005.a72d8433.en.html
https://ubuntu.com/security/notices/USN-2933-1
https://www.exploit-db.com/exploits/39535/
https://www.exploit-db.com/exploits/39549/
https://www.exploit-db.com/exploits/39702/
http://www.debian.org/security/2016/dsa-3517
http://www.exim.org/static/doc/CVE-2016-1531.txt
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
1314293 https://bugzilla.redhat.com/show_bug.cgi?id=1314293
cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*
CVE-2016-1531 Exploit http://legalhackers.com/advisories/Exim-Local-Root-Privilege-Escalation.txt
CVE-2016-1531 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/39535.sh
CVE-2016-1531 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/39549.txt
CVE-2016-1531 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/39702.rb
CVE-2016-1531 https://nvd.nist.gov/vuln/detail/CVE-2016-1531
USN-2933-1 https://usn.ubuntu.com/2933-1/
Data source Exploit-DB
Date added March 10, 2016
Description Exim < 4.86.2 - Local Privilege Escalation
Ransomware campaign use Known
Source publication date March 10, 2016
Exploit type local
Platform linux
Source update date Sept. 19, 2017
Source URL http://legalhackers.com/advisories/Exim-Local-Root-Privilege-Escalation.txt
Data source Metasploit
Description This module exploits a Perl injection vulnerability in Exim < 4.86.2 given the presence of the "perl_startup" configuration parameter.
Note 
Reliability:
  - repeatable-session
Stability:
  - crash-safe
SideEffects: []
Ransomware campaign use Unknown
Source publication date March 10, 2016
Platform Unix
Source URL https://github.com/rapid7/metasploit-framework/tree/master/modules/exploits/unix/local/exim_perl_startup.rb
Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2016-1531
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-1531
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.24989
EPSS Score 0.00057
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.