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 Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Screen | Gnu | 3.9.4 (including) | 3.9.4 (including) |
| Screen | Gnu | 3.9.8 (including) | 3.9.8 (including) |
| Screen | Gnu | 3.9.9 (including) | 3.9.9 (including) |
| Screen | Gnu | 3.9.10 (including) | 3.9.10 (including) |
| Screen | Gnu | 3.9.11 (including) | 3.9.11 (including) |
| Screen | Gnu | 3.9.13 (including) | 3.9.13 (including) |
| Screen | Gnu | 3.9.15 (including) | 3.9.15 (including) |
| Screen | Gnu | 4.0.1 (including) | 4.0.1 (including) |
| Screen | Ubuntu | dapper | * |
| Screen | Ubuntu | devel | * |
| Screen | Ubuntu | edgy | * |
| Screen | Ubuntu | feisty | * |
References
- http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000809
- http://groups.yahoo.com/group/gnu-screen/message/3118
- http://marc.info/?l=bugtraq\u0026m=106995837813873\u0026w=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\u0026anuncio=000809
- http://groups.yahoo.com/group/gnu-screen/message/3118
- http://marc.info/?l=bugtraq\u0026m=106995837813873\u0026w=2
- http://secunia.com/advisories/10539
- http://www.debian.org/security/2004/dsa-408
- http://www.mandriva.com/security/advisories?name=MDKSA-2003:113