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 SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
redhatCNA
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CVEADP
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CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 98%
VendorProductVersion
eximexim
𝑥
< 4.70
opensuseopensuse
11.1
opensuseopensuse
11.2
opensuseopensuse
11.3
debiandebian_linux
5.0
canonicalubuntu_linux
6.06
canonicalubuntu_linux
8.04
canonicalubuntu_linux
9.10
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
exim4
bullseye
4.94.2-7+deb11u3
fixed
bullseye (security)
4.94.2-7+deb11u4
fixed
bookworm
4.96-15+deb12u5
fixed
bookworm (security)
4.96-15+deb12u5
fixed
sid
4.98-2
fixed
trixie
4.98-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
exim4
maverick
not-affected
lucid
not-affected
karmic
Fixed 4.69-11ubuntu4.1
released
hardy
Fixed 4.69-2ubuntu0.2
released
dapper
Fixed 4.60-3ubuntu3.2
released
Common Weakness Enumeration
References
ftp://ftp.exim.org/pub/exim/ChangeLogs/ChangeLog-4.70
http://atmail.com/blog/2010/atmail-6204-now-available/
http://bugs.exim.org/show_bug.cgi?id=787
http://git.exim.org/exim.git/commit/24c929a27415c7cfc7126c47e4cad39acf3efa6b
http://lists.exim.org/lurker/message/20101210.164935.385e04d0.en.html
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.html
http://openwall.com/lists/oss-security/2010/12/10/1
http://secunia.com/advisories/40019
http://secunia.com/advisories/42576
http://secunia.com/advisories/42586
http://secunia.com/advisories/42587
http://secunia.com/advisories/42589
http://www.cpanel.net/2010/12/exim-remote-memory-corruption-vulnerability-notification-cve-2010-4344.html
http://www.debian.org/security/2010/dsa-2131
http://www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.html
http://www.kb.cert.org/vuls/id/682457
http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format
http://www.openwall.com/lists/oss-security/2021/05/04/7
http://www.osvdb.org/69685
http://www.redhat.com/support/errata/RHSA-2010-0970.html
http://www.securityfocus.com/archive/1/515172/100/0/threaded
http://www.securityfocus.com/bid/45308
http://www.securitytracker.com/id?1024858
http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/
http://www.ubuntu.com/usn/USN-1032-1
http://www.vupen.com/english/advisories/2010/3171
http://www.vupen.com/english/advisories/2010/3172
http://www.vupen.com/english/advisories/2010/3181
http://www.vupen.com/english/advisories/2010/3186
http://www.vupen.com/english/advisories/2010/3204
http://www.vupen.com/english/advisories/2010/3246
http://www.vupen.com/english/advisories/2010/3317
https://bugzilla.redhat.com/show_bug.cgi?id=661756
ftp://ftp.exim.org/pub/exim/ChangeLogs/ChangeLog-4.70
http://atmail.com/blog/2010/atmail-6204-now-available/
http://bugs.exim.org/show_bug.cgi?id=787
http://git.exim.org/exim.git/commit/24c929a27415c7cfc7126c47e4cad39acf3efa6b
http://lists.exim.org/lurker/message/20101210.164935.385e04d0.en.html
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00003.html
http://openwall.com/lists/oss-security/2010/12/10/1
http://secunia.com/advisories/40019
http://secunia.com/advisories/42576
http://secunia.com/advisories/42586
http://secunia.com/advisories/42587
http://secunia.com/advisories/42589
http://www.cpanel.net/2010/12/exim-remote-memory-corruption-vulnerability-notification-cve-2010-4344.html
http://www.debian.org/security/2010/dsa-2131
http://www.exim.org/lurker/message/20101207.215955.bb32d4f2.en.html
http://www.kb.cert.org/vuls/id/682457
http://www.metasploit.com/modules/exploit/unix/smtp/exim4_string_format
http://www.openwall.com/lists/oss-security/2021/05/04/7
http://www.osvdb.org/69685
http://www.redhat.com/support/errata/RHSA-2010-0970.html
http://www.securityfocus.com/archive/1/515172/100/0/threaded
http://www.securityfocus.com/bid/45308
http://www.securitytracker.com/id?1024858
http://www.theregister.co.uk/2010/12/11/exim_code_execution_peril/
http://www.ubuntu.com/usn/USN-1032-1
http://www.vupen.com/english/advisories/2010/3171
http://www.vupen.com/english/advisories/2010/3172
http://www.vupen.com/english/advisories/2010/3181
http://www.vupen.com/english/advisories/2010/3186
http://www.vupen.com/english/advisories/2010/3204
http://www.vupen.com/english/advisories/2010/3246
http://www.vupen.com/english/advisories/2010/3317
https://bugzilla.redhat.com/show_bug.cgi?id=661756