CVE-2010-4345 kev in the critical feed json
Exim 4.72 and earlier allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate conf…
published 15y ago modified 4mo ago also EUVD-2010-4314
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2022-03-25
- epss
- 18.0%
- EPSS 18.0% chance of exploitation in 30 days, percentile 97%
- public exploits
- 2
- Metasploit and Exploit-DB
Summary
Exim 4.72 and earlier allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands, as demonstrated by the spool_directory directive.
Patch / fix
cisa required action Apply updates per vendor instructions.
- exim4 Debian 14, Debian 13, Debian 12 4.72-3
debian advisories DEBIAN-CVE-2010-4345
- exim RHEL 4 4.43-1.RHEL4.5.el4_8.3
- exim RHEL 5 4.63-5.el5_6.2
- exim-sa RHEL 4 4.43-1.RHEL4.5.el4_8.3
- exim-sa RHEL 5 4.63-5.el5_6.2
- exim-mon RHEL 4 4.43-1.RHEL4.5.el4_8.3
- exim-mon RHEL 5 4.63-5.el5_6.2
red hat advisories RHSA-2011:0153
- exim openSUSE Tumbleweed 4.86.2-2.2
opensuse advisories openSUSE-SU-2024:10017-1
Is CVE-2010-4345 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2010-4345 updated cvss 6.8
exim: privilege escalation
-
Red Hat Enterprise Linux (v. 5.6.z server) exim 4.63-5.el5_6.2, exim-sa 4.63-5.el5_6.2, exim-mon 4.63-5.el5_6.2 Red Hat Enterprise Linux AS version 4 exim 4.43-1.RHEL4.5.el4_8.3, exim-sa 4.43-1.RHEL4.5.el4_8.3, exim-mon 4.43-1.RHEL4.5.el4_8.3 Red Hat Enterprise Linux Desktop version 4 exim 4.43-1.RHEL4.5.el4_8.3, exim-sa 4.43-1.RHEL4.5.el4_8.3, exim-mon 4.43-1.RHEL4.5.el4_8.3 Red Hat Enterprise Linux ES version 4 exim 4.43-1.RHEL4.5.el4_8.3, exim-sa 4.43-1.RHEL4.5.el4_8.3, exim-mon 4.43-1.RHEL4.5.el4_8.3 Red Hat Enterprise Linux WS version 4 exim 4.43-1.RHEL4.5.el4_8.3, exim-sa 4.43-1.RHEL4.5.el4_8.3, exim-mon 4.43-1.RHEL4.5.el4_8.3fixed: vendor fix RHSA-2011:0153
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Timeline
- First public exploit (Metasploit exploit/unix/smtp/exim4_string_format)
- Published
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 4y ago
- Patch by
- 2022-04-15 (4y ago)
- Ransomware
- Not known
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- Exim, Exim
- CISA name
- Exim Privilege Escalation Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
17.97% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Metasploit exploit/unix/smtp/exim4_string_format Exim4 string_format Function Heap Buffer Overflow metasploit exploit, excellent rank, 2010-12-07
- EDB-16925 Exim4 < 4.69 - string_format Function Heap Buffer Overflow (Metasploit) remote, 2010-12-16
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-77 Improper Neutralization of Special Elements used in a Command
References
-
lists.exim.org
/lurker/message/20101209.172233.abcba158.en.html
mailing-list, patch
-
bugzilla.redhat.com
/show_bug.cgi?id=662012
issue-tracking, patch
-
bugs.exim.org
/show_bug.cgi?id=1044
issue-tracking, patch
-
lists.opensuse.org
/opensuse-security-announce/2010-12/msg00003.html
vendor-advisory, mailing-list, third-party-advisory
-
redhat.com
/support/errata/RHSA-2011-0153.html
vendor-advisory, broken-link
-
debian.org
/security/2011/dsa-2154
vendor-advisory, mailing-list, third-party-advisory
-
ubuntu.com
/usn/USN-1060-1
vendor-advisory, third-party-advisory
-
debian.org
/security/2010/dsa-2131
vendor-advisory, mailing-list, third-party-advisory
-
exim.org
/lurker/message/20101207.215955.bb32d4f2.en.html
mailing-list, vendor-advisory
-
secunia.com
/advisories/42576
third-party-advisory, broken-link, vendor-advisory
-
vupen.com
/english/advisories/2010/3204
vdb-entry, broken-link, vendor-advisory
-
vupen.com
/english/advisories/2010/3171
vdb-entry, broken-link, vendor-advisory
-
secunia.com
/advisories/43128
third-party-advisory, broken-link
-
kb.cert.org
/vuls/id/758489
third-party-advisory, us-government-resource
-
vupen.com
/english/advisories/2011/0364
vdb-entry, broken-link
-
metasploit.com
/modules/exploit/unix/smtp/exim4_string_format
third-party-advisory
-
securityfocus.com
/bid/45341
vdb-entry, broken-link, third-party-advisory
-
secunia.com
/advisories/42930
third-party-advisory, broken-link
-
secunia.com
/advisories/43243
third-party-advisory, broken-link
-
securitytracker.com
/id?1024859
vdb-entry, broken-link, third-party-advisory
-
lists.exim.org
/lurker/message/20101210.164935.385e04d0.en.html
mailing-list
-
securityfocus.com
/archive/1/515172/100/0/threaded
mailing-list, broken-link, third-party-advisory, vdb-entry
-
theregister.co.uk
/2010/12/11/exim_code_execution_peril/
press/media-coverage, third-party-advisory
-
vupen.com
/english/advisories/2011/0245
vdb-entry, broken-link
-
vupen.com
/english/advisories/2011/0135
vdb-entry, broken-link
-
cpanel.net
/2010/12/critical-exim-security-update.html
broken-link
-
openwall.com
/lists/oss-security/2010/12/10/1
mailing-list
-
openwall.com
/lists/oss-security/2021/05/04/7
mailing-list
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-4345
government-resource, us-government-resource
Sources
- CVE List CVE-2010-4345
- NVD CVE-2010-4345
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.