Unscored severity · published Oct 20, 2003
CVE-2003-0743
Heap-based buffer overflow in smtp_in.c for Exim 3 (exim3) before 3.36 and Exim 4 (exim4) before 4.21 may allow remote attackers to execute arbitrary code via an invalid (1) HELO…
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CVSS
5.6%
EPSS
No
On KEV
Description
Heap-based buffer overflow in smtp_in.c for Exim 3 (exim3) before 3.36 and Exim 4 (exim4) before 4.21 may allow remote attackers to execute arbitrary code via an invalid (1) HELO or (2) EHLO argument with a large number of spaces followed by a NULL character and a newline, which is not properly trimmed before the "(no argument given)" string is appended to the buffer.
Exploitation
Is it being used?
Exploit prediction (EPSS)5.6% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EX
Exim · University OF Cambridge
3.0; 3.3; 3.3.1; 3.3.2; 3.11; 3.12; +19 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2003-0743
CVE.org
https://www.cve.org/CVERecord?id=CVE-2003-0743
distro.conectiva.com.br
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000735
marc.info
http://marc.info/?l=bugtraq&m=106252015820395&w=2
marc.info
http://marc.info/?l=vuln-dev&m=106264740820334&w=2
packages.debian.org
http://packages.debian.org/changelogs/pool/main/e/exim/exim_3.36-13/changelog
packages.debian.org
http://packages.debian.org/changelogs/pool/main/e/exim4/exim4_4.34-10/changelog
Patch
http://www.debian.org/security/2003/dsa-376
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