Lynx 2.8.8 dev4 heap overflow

2010.08.24
Credit: Dan Rosenberg
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-119


CVSS Base Score: 6.8/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

The Lynx browser is vulnerable to a heap overflow when parsing malformed URLs with a "%" character in the last two characters of the hostname. Reference: https://bugs.launchpad.net/ubuntu/+source/lynx-cur/+bug/613254 -Dan

References:

https://bugs.launchpad.net/ubuntu/+source/lynx-cur/+bug/613254
http://xforce.iss.net/xforce/xfdb/61007
http://www.vupen.com/english/advisories/2010/2042
http://marc.info/?l=oss-security&m=128152412221677&w=2
http://marc.info/?l=oss-security&m=128151768510564&w=2


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