Description
Buffer overflow in DNS resolver functions that perform lookup of network names and addresses, as used in BIND 4.9.8 and ported to glibc 2.2.5 and earlier, allows remote malicious DNS servers to execute arbitrary code through a subroutine used by functions such as getnetbyname and getnetbyaddr.
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 | glibc | 2.2.5-8 | — |
| Debian 13 | glibc | 2.2.5-8 | — |
| Debian 12 | glibc | 2.2.5-8 | — |
References
- MDKSA-2002:050 vendor-advisory
- CLSA-2002:507 vendor-advisory
- VU#542971 third-party-advisory
- 20020704 Re: Remote buffer overflow in resolver code of libc mailing-list
- RHSA-2002:139 vendor-advisory