CVEs / CVE-2010-4345
CVE-2010-4345: Exim Privilege Escalation Vulnerability
- Known exploited in the CISA KEV catalog since 25 Mar 2022
- high 7.8 CVSS 3.1 (NVD)
- EPSS 17.9% chance of exploitation in the next 30 days, higher than 97% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Exim 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.
Description
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 25 Mar 2022 |
|---|---|
| Due date for US federal agencies | 15 Apr 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-77 |
References
- CVE-2010-4345 on NVD
- CVE-2010-4345 in the CISA KEV catalog
- CVE-2010-4345 on OSV
- http://bugs.exim.org/show_bug.cgi?id=1044 Issue Tracking, Patch
- http://lists.exim.org/lurker/message/20101209.172233.abcba158.en.html Mailing List, Patch
- http://lists.exim.org/lurker/message/20101210.164935.385e04d0.en.html Mailing List
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.html Mailing List, Third Party Advisory
- http://openwall.com/lists/oss-security/2010/12/10/1 Mailing List
- http://secunia.com/advisories/42576 Broken Link, Vendor Advisory
- http://secunia.com/advisories/42930 Broken Link
- http://secunia.com/advisories/43128 Broken Link
- http://secunia.com/advisories/43243 Broken Link
- http://www.cpanel.net/2010/12/critical-exim-security-update.html Broken Link
- http://www.debian.org/security/2010/dsa-2131 Mailing List, Third Party Advisory
- http://www.debian.org/security/2011/dsa-2154 Mailing List, Third Party Advisory
- http://www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.html Mailing List, Vendor Advisory
- http://www.kb.cert.org/vuls/id/758489 Third Party Advisory, US Government Resource
- http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/04/7 Mailing List
- http://www.redhat.com/support/errata/RHSA-2011-0153.html Broken Link
- http://www.securityfocus.com/archive/1/515172/100/0/threaded Broken Link, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/45341 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1024859 Broken Link, Third Party Advisory, VDB Entry
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.