7.5high

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…

Published 23 y ago · modified 4 mo ago · JSON

CVSS
7.5
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
5.7%
percentile 93%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

5.65% probability of exploitation in the next 30 days, higher than 93% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

References

  • debian.org /security/2003/dsa-376 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • distro.conectiva.com.br /atualizacoes/?id=a&anuncio=000735 · vendor-advisory, x_refsource_CONECTIVA, x_transferred
  • exim.org /pipermail/exim-users/Week-of-Mon-20030811/057720.html · mailing-list, x_refsource_MLIST, x_transferred
  • exim.org /pipermail/exim-announce/2003q3/000094.html · x_refsource_CONFIRM, x_transferred
  • marc.info /?l=bugtraq&m=106252015820395&w=2 · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • marc.info /?l=vuln-dev&m=106264740820334&w=2 · mailing-list, x_refsource_VULN-DEV, x_transferred
  • exim.org /pipermail/exim-users/Week-of-Mon-20030811/057809.html · mailing-list, x_refsource_MLIST, x_transferred
  • packages.debian.org /changelogs/pool/main/e/exim/exim_3.36-13/changelog · x_refsource_CONFIRM, x_transferred
  • packages.debian.org /changelogs/pool/main/e/exim4/exim4_4.34-10/changelog · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.