CVE-2010-4344
9.3 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
8 High
AI Score
Confidence
Low
0.931 High
EPSS
Percentile
99.1%
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.
Affected configurations
References
ftp://ftp.exim.org/pub/exim/ChangeLogs/ChangeLog-4.70
atmail.com/blog/2010/atmail-6204-now-available/
bugs.exim.org/show_bug.cgi?id=787
git.exim.org/exim.git/commit/24c929a27415c7cfc7126c47e4cad39acf3efa6b
lists.exim.org/lurker/message/20101210.164935.385e04d0.en.html
lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.html
openwall.com/lists/oss-security/2010/12/10/1
secunia.com/advisories/40019
secunia.com/advisories/42576
secunia.com/advisories/42586
secunia.com/advisories/42587
secunia.com/advisories/42589
www.cpanel.net/2010/12/exim-remote-memory-corruption-vulnerability-notification-cve-2010-4344.html
www.debian.org/security/2010/dsa-2131
www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.html
www.kb.cert.org/vuls/id/682457
www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format
www.openwall.com/lists/oss-security/2021/05/04/7
www.osvdb.org/69685
www.redhat.com/support/errata/RHSA-2010-0970.html
www.securityfocus.com/archive/1/515172/100/0/threaded
www.securityfocus.com/bid/45308
www.securitytracker.com/id?1024858
www.theregister.co.uk/2010/12/11/exim_code_execution_peril/
www.ubuntu.com/usn/USN-1032-1
www.vupen.com/english/advisories/2010/3171
www.vupen.com/english/advisories/2010/3172
www.vupen.com/english/advisories/2010/3181
www.vupen.com/english/advisories/2010/3186
www.vupen.com/english/advisories/2010/3204
www.vupen.com/english/advisories/2010/3246
www.vupen.com/english/advisories/2010/3317
bugzilla.redhat.com/show_bug.cgi?id=661756
Related
9.3 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
8 High
AI Score
Confidence
Low
0.931 High
EPSS
Percentile
99.1%