Unrated severityNVD Advisory· Published Oct 20, 2003· Updated Apr 16, 2026
CVE-2003-0743
CVE-2003-0743
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.
Affected products
25cpe:2.3:a:university_of_cambridge:exim:3.0:*:*:*:*:*:*:*+ 24 more
- cpe:2.3:a:university_of_cambridge:exim:3.0:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.11:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.12:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.13:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.14:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.15:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.16:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.17:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.18:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.19:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.20:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.21:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.22:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.3:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.30:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.31:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.32:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.33:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.34:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.35:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:3.36:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:4.10:*:*:*:*:*:*:*
- cpe:2.3:a:university_of_cambridge:exim:4.20:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
9- www.debian.org/security/2003/dsa-376nvdPatchVendor Advisory
- distro.conectiva.com.br/atualizacoes/nvd
- marc.infonvd
- marc.infonvd
- packages.debian.org/changelogs/pool/main/e/exim/exim_3.36-13/changelognvd
- packages.debian.org/changelogs/pool/main/e/exim4/exim4_4.34-10/changelognvd
- www.exim.org/pipermail/exim-announce/2003q3/000094.htmlnvd
- www.exim.org/pipermail/exim-users/Week-of-Mon-20030811/057720.htmlnvd
- www.exim.org/pipermail/exim-users/Week-of-Mon-20030811/057809.htmlnvd
News mentions
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