Description
The getmxrecord function in Fetchmail 6.0.0 and earlier does not properly check the boundary of a particular malformed DNS packet from a malicious DNS server, which allows remote attackers to cause a denial of service (crash) when Fetchmail attempts to read data beyond the expected boundary.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-063.php ↗
- http://marc.info/?l=bugtraq&m=103340148625187&w=2 ↗
- http://rhn.redhat.com/errata/RHSA-2002-215.html ↗
- http://www.iss.net/security_center/static/10203.php ↗
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000531 ↗
- http://www.linuxsecurity.com/advisories/other_advisory-2402.html ↗
- http://www.securityfocus.com/bid/5826 ↗
- http://www.debian.org/security/2002/dsa-171 ↗