CVE-2003-0972

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2003-12-15 · updated 2026-06-16

Description

Integer signedness error in ansi.c for GNU screen 4.0.1 and earlier, and 3.9.15 and earlier, allows local users to execute arbitrary code via a large number of ";" (semicolon) characters in escape sequences, which leads to a buffer overflow.

Affected products

GNU Screen: 3.9.4, 3.9.8, 3.9.9, 3.9.10, 3.9.11, 3.9.13 (+2)

References

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000809
http://groups.yahoo.com/group/gnu-screen/message/3118
http://marc.info/?l=bugtraq&m=106995837813873&w=2
http://secunia.com/advisories/10539
http://www.debian.org/security/2004/dsa-408
http://www.mandriva.com/security/advisories?name=MDKSA-2003:113
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000809
http://groups.yahoo.com/group/gnu-screen/message/3118
http://marc.info/?l=bugtraq&m=106995837813873&w=2
http://secunia.com/advisories/10539
http://www.debian.org/security/2004/dsa-408
http://www.mandriva.com/security/advisories?name=MDKSA-2003:113

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