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 / screen3.9.4 – 3.9.4
- gnu / screen3.9.8 – 3.9.8
- gnu / screen3.9.9 – 3.9.9
- gnu / screen3.9.10 – 3.9.10
- gnu / screen3.9.11 – 3.9.11
- gnu / screen3.9.13 – 3.9.13
- gnu / screen3.9.15 – 3.9.15
- gnu / screen4.0.1 – 4.0.1
References
- VENDOR_ADVISORYhttp://secunia.com/advisories/10539
- MAILING_LISThttp://marc.info/?l=bugtraq&m=106995837813873&w=2
- VENDOR_ADVISORYhttp://www.debian.org/security/2004/dsa-408
- MISChttp://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000809
- VENDOR_ADVISORYhttp://www.mandriva.com/security/advisories?name=MDKSA-2003:113
- MISChttp://groups.yahoo.com/group/gnu-screen/message/3118