Vulnerability CVE-2010-2810
Published: 2010-08-20   Modified: 2012-02-13

Description:
Heap-based buffer overflow in the convert_to_idna function in WWW/Library/Implementation/HTParse.c in Lynx 2.8.8dev.1 through 2.8.8dev.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a malformed URL containing a % (percent) character in the domain name.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Lynx 2.8.8 dev4 heap overflow
Dan Rosenberg
24.08.2010

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

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

 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://www.ubuntu.com/usn/USN-1642-1
http://marc.info/?l=oss-security&m=128152412221677&w=2
http://marc.info/?l=oss-security&m=128151768510564&w=2
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