CVE-2010-4344
- State
- Published
- Severity
- 9.8 Critical
- Published
- Dec 14, 2010
- Updated
- Oct 22, 2025
- Reserved
- Nov 30, 2010
Description
Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- SUSE-SA:2010:059vendor-advisory
- [exim-dev] 20101207 Remote root vulnerability in Eximmailing-list
- http://bugs.exim.org/show_bug.cgi?id=787
- 1024858vdb-entry
- RHSA-2010:0970vendor-advisory
- ADV-2010-3186vdb-entry
- 45308vdb-entry
- http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format
- http://atmail.com/blog/2010/atmail-6204-now-available/
- 42576third-party-advisory
- 42587third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=661756
- [exim-dev] 20101210 Re: Remote root vulnerability in Eximmailing-list
- 40019third-party-advisory
- ADV-2010-3172vdb-entry
- VU#682457third-party-advisory
- ADV-2010-3181vdb-entry
- 42586third-party-advisory
- ADV-2010-3317vdb-entry
- USN-1032-1vendor-advisory
- http://www.cpanel.net/2010/12/exim-remote-memory-corruption-vulnerability-notification-cve-2010-4344.html
- 69685vdb-entry
- 20101213 Exim security issue in historical releasemailing-list
- http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/
- ADV-2010-3246vdb-entry
- ADV-2010-3204vdb-entry
- http://git.exim.org/exim.git/commit/24c929a27415c7cfc7126c47e4cad39acf3efa6b
- DSA-2131vendor-advisory
- ADV-2010-3171vdb-entry
- 42589third-party-advisory
- [oss-security] 20101210 Exim remote rootmailing-list
- [oss-security] 20210504 21Nails: Multiple vulnerabilities in Eximmailing-list
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-4344government-resource
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