CVE-2010-4344
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...
Basic Information
- CVE State
- PUBLISHED
- Reserved Date
- November 30, 2010
- Published Date
- December 14, 2010
- Last Updated
- February 07, 2025
- Vendor
- n/a
- Product
- n/a
- 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.
CVSS Scores
CVSS v3.1
9.8 - CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC Information
- Exploitation
- active
- Automatable
- Yes
- Technical Impact
- total
Exploit Status
- Exploited in the Wild
- Yes (added 2022-03-25 00:00:00 UTC) Source
References
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.html
http://www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.html
http://bugs.exim.org/show_bug.cgi?id=787
http://www.securitytracker.com/id?1024858
http://www.redhat.com/support/errata/RHSA-2010-0970.html
http://www.vupen.com/english/advisories/2010/3186
http://www.securityfocus.com/bid/45308
http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format
http://atmail.com/blog/2010/atmail-6204-now-available/
http://secunia.com/advisories/42576
http://secunia.com/advisories/42587
https://bugzilla.redhat.com/show_bug.cgi?id=661756
http://lists.exim.org/lurker/message/20101210.164935.385e04d0.en.html
http://secunia.com/advisories/40019
http://www.vupen.com/english/advisories/2010/3172
http://www.kb.cert.org/vuls/id/682457
http://www.vupen.com/english/advisories/2010/3181
http://secunia.com/advisories/42586
http://www.vupen.com/english/advisories/2010/3317
http://www.ubuntu.com/usn/USN-1032-1
http://www.cpanel.net/2010/12/exim-remote-memory-corruption-vulnerability-notification-cve-2010-4344.html
http://www.osvdb.org/69685
http://www.securityfocus.com/archive/1/515172/100/0/threaded
http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/
http://www.vupen.com/english/advisories/2010/3246
ftp://ftp.exim.org/pub/exim/ChangeLogs/ChangeLog-4.70
http://www.vupen.com/english/advisories/2010/3204
http://git.exim.org/exim.git/commit/24c929a27415c7cfc7126c47e4cad39acf3efa6b
http://www.debian.org/security/2010/dsa-2131
http://www.vupen.com/english/advisories/2010/3171
http://secunia.com/advisories/42589
http://openwall.com/lists/oss-security/2010/12/10/1
http://www.openwall.com/lists/oss-security/2021/05/04/7
Known Exploited Vulnerability Information
| Source | Added Date |
|---|---|
| CISA | 2022-03-25 00:00:00 UTC |
Scanner Integrations
| Scanner | URL | Date Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/smtp/exim4_string_format.rb | 2025-04-29 11:01:27 UTC |