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.
Metrics
CVSS 3.1 9.8/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://atmail.com/blog/2010/atmail-6204-now-available/Broken Link
- http://bugs.exim.org/show_bug.cgi?id=787Issue Tracking, Patch
- http://git.exim.org/exim.git/commit/24c929a27415c7cfc7126c47e4cad39acf3efa6bMailing List, Patch
- http://lists.exim.org/lurker/message/20101210.164935.385e04d0.en.htmlMailing List, Patch
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.htmlMailing List, Third Party Advisory
- http://openwall.com/lists/oss-security/2010/12/10/1Mailing List, Third Party Advisory
- http://secunia.com/advisories/40019Broken Link, Vendor Advisory
- http://secunia.com/advisories/42576Broken Link, Vendor Advisory
- http://secunia.com/advisories/42586Broken Link, Vendor Advisory
- http://secunia.com/advisories/42587Broken Link, Vendor Advisory
- http://secunia.com/advisories/42589Broken Link, Vendor Advisory
- http://www.cpanel.net/2010/12/exim-remote-memory-corruption-vulnerability-notification-cve-2010-4344.htmlBroken Link
- http://www.debian.org/security/2010/dsa-2131Mailing List, Third Party Advisory
- http://www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.htmlExploit, Mailing List
- http://www.kb.cert.org/vuls/id/682457Third Party Advisory, US Government Resource
- http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_formatThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/04/7Exploit, Mailing List
- http://www.osvdb.org/69685Broken Link, Exploit, Patch
- http://www.redhat.com/support/errata/RHSA-2010-0970.htmlBroken Link
- http://www.securityfocus.com/archive/1/515172/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/45308Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1024858Broken Link, Third Party Advisory, VDB Entry
- http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/Press/Media Coverage
- http://www.ubuntu.com/usn/USN-1032-1Third Party Advisory
- http://www.vupen.com/english/advisories/2010/3171Broken Link, Vendor Advisory
- http://www.vupen.com/english/advisories/2010/3172Broken Link, Vendor Advisory
- http://www.vupen.com/english/advisories/2010/3181Broken Link, Vendor Advisory
- http://www.vupen.com/english/advisories/2010/3186Broken Link, Vendor Advisory
- http://www.vupen.com/english/advisories/2010/3204Broken Link, Vendor Advisory
- http://www.vupen.com/english/advisories/2010/3246Broken Link, Vendor Advisory
- http://www.vupen.com/english/advisories/2010/3317Broken Link
- https://bugzilla.redhat.com/show_bug.cgi?id=661756Exploit, Issue Tracking
- http://atmail.com/blog/2010/atmail-6204-now-available/Broken Link
- http://bugs.exim.org/show_bug.cgi?id=787Issue Tracking, Patch
- http://git.exim.org/exim.git/commit/24c929a27415c7cfc7126c47e4cad39acf3efa6bMailing List, Patch
- http://lists.exim.org/lurker/message/20101210.164935.385e04d0.en.htmlMailing List, Patch
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.htmlMailing List, Third Party Advisory
- http://openwall.com/lists/oss-security/2010/12/10/1Mailing List, Third Party Advisory
- http://secunia.com/advisories/40019Broken Link, Vendor Advisory
- http://secunia.com/advisories/42576Broken Link, Vendor Advisory
- http://secunia.com/advisories/42586Broken Link, Vendor Advisory
- http://secunia.com/advisories/42587Broken Link, Vendor Advisory
- http://secunia.com/advisories/42589Broken Link, Vendor Advisory
- http://www.cpanel.net/2010/12/exim-remote-memory-corruption-vulnerability-notification-cve-2010-4344.htmlBroken Link
- http://www.debian.org/security/2010/dsa-2131Mailing List, Third Party Advisory
- http://www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.htmlExploit, Mailing List
- http://www.kb.cert.org/vuls/id/682457Third Party Advisory, US Government Resource
- http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_formatThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/04/7Exploit, Mailing List
- http://www.osvdb.org/69685Broken Link, Exploit, Patch
- http://www.redhat.com/support/errata/RHSA-2010-0970.htmlBroken Link
- http://www.securityfocus.com/archive/1/515172/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/45308Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1024858Broken Link, Third Party Advisory, VDB Entry
- http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/Press/Media Coverage
- http://www.ubuntu.com/usn/USN-1032-1Third Party Advisory
- http://www.vupen.com/english/advisories/2010/3171Broken Link, Vendor Advisory
- http://www.vupen.com/english/advisories/2010/3172Broken Link, Vendor Advisory
- http://www.vupen.com/english/advisories/2010/3181Broken Link, Vendor Advisory
- http://www.vupen.com/english/advisories/2010/3186Broken Link, Vendor Advisory
Timeline
- Published
- Dec 14, 2010
- Last modified
- Jun 16, 2026
- Added to CISA KEV
- Mar 25, 2022
- NVD status
- Analyzed