Description
Buffer overflow in Tenes Empanadas Graciela (TEG) 0.11.1, automatically appends an _ (underscore) to the end of duplicate nicknames, which allows remote attackers to cause a denial of service (application crash) by creating multiple users with long, identical nicknames, which triggers an off-by-one error.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | teg | 0.11.1-3 | — |
| Debian 13 | teg | 0.11.1-3 | — |
| Debian 12 | teg | 0.11.1-3 | — |
References
- http://aluigi.altervista.org/adv/tegob1-adv.txt
- ADV-2006-0846 vdb-entry
- teg-nickname-offbyone-dos(25165) vdb-entry
- 19134 third-party-advisory
- 16982 vdb-entry