Actively exploited · Published Dec 14, 2010 · Assigned by redhat
CVE-2010-4345
High 7.8 Exploited
In plain English
A high-severity command injection in Exim from Exim. Attackers are actively exploiting it in the wild (listed by CISA on March 25, 2022). The chance it is exploited in the next 30 days is estimated at 18.0% (higher than 97% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit. Fixed versions are available - upgrade the affected package.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Apr 15, 2022.
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | exim4 | 4.72-3 | DEBIAN-CVE-2010-4345 |
| Debian:13 | exim4 | 4.72-3 | DEBIAN-CVE-2010-4345 |
| Debian:14 | exim4 | 4.72-3 | DEBIAN-CVE-2010-4345 |
Affected products (as reported)
Weakness: CWE-77 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- 43128 third-party-advisory, x_refsource_SECUNIA
- SUSE-SA:2010:059 vendor-advisory, x_refsource_SUSE
- [exim-dev] 20101209 Re: [Exim-maintainers] Remote root vulnerability in Exim mailing-list, x_refsource_MLIST
- VU#758489 third-party-advisory, x_refsource_CERT-VN
- [exim-dev] 20101207 Remote root vulnerability in Exim mailing-list, x_refsource_MLIST
- https://bugzilla.redhat.com/show_bug.cgi?id=662012 x_refsource_CONFIRM
- ADV-2011-0364 vdb-entry, x_refsource_VUPEN
- http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format x_refsource_MISC
- RHSA-2011:0153 vendor-advisory, x_refsource_REDHAT
- 45341 vdb-entry, x_refsource_BID
- 42930 third-party-advisory, x_refsource_SECUNIA
- 42576 third-party-advisory, x_refsource_SECUNIA
- 43243 third-party-advisory, x_refsource_SECUNIA
- 1024859 vdb-entry, x_refsource_SECTRACK
- [exim-dev] 20101210 Re: Remote root vulnerability in Exim mailing-list, x_refsource_MLIST
- DSA-2154 vendor-advisory, x_refsource_DEBIAN
- 20101213 Exim security issue in historical release mailing-list, x_refsource_BUGTRAQ
- http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/ x_refsource_MISC
- ADV-2011-0245 vdb-entry, x_refsource_VUPEN
- ADV-2011-0135 vdb-entry, x_refsource_VUPEN
- USN-1060-1 vendor-advisory, x_refsource_UBUNTU
- ADV-2010-3204 vdb-entry, x_refsource_VUPEN
- http://bugs.exim.org/show_bug.cgi?id=1044 x_refsource_CONFIRM
- DSA-2131 vendor-advisory, x_refsource_DEBIAN
- ADV-2010-3171 vdb-entry, x_refsource_VUPEN
- http://www.cpanel.net/2010/12/critical-exim-security-update.html x_refsource_CONFIRM
- [oss-security] 20101210 Exim remote root mailing-list, x_refsource_MLIST
- [oss-security] 20210504 21Nails: Multiple vulnerabilities in Exim mailing-list, x_refsource_MLIST
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-4345 government-resource