Back to Database
Status published
Unknown
CVE-2010-4344
Heap-based buffer overflow in the string_vformat function in string.c in...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2010-4344
Credits & Attribution
No credits recorded in the NVD database.
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
More from exim
View All →CVE-2022-37452
Exim before 4.95 has a heap-based buffer overflow for the...
Critical
9.8
CVE-2022-37451
Exim before 4.96 has an invalid free in pam_converse in...
High
7.5
CVE-2021-38371
The STARTTLS feature in Exim through 4.94.2 allows response injection...
High
7.5
CVE-2021-27216
Exim 4 before 4.94.2 has Execution with Unnecessary Privileges. By...
Medium
6.3
CVE-2020-28026
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters,...
Critical
9.8
Affected Vendor
exim
View all reports →Affected Software
exim, opensuse, debian linux, ubuntu linux
Vulnerable Versions:
0, 11.1, 11.2, 11.3, 5.0, 6.06, 8.04, 9.10
Timeline
Official Publish:
December 14th, 2010
Last Modified:
October 22nd, 2025
Added to House:
July 19th, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.