Format string vulnerability in the inputAnswer function in file.c in w3m before 0.5.2, when run with the dump or backend option, allows remote attackers to execute arbitrary code via format string specifiers in the Common Name (CN) field of an SSL certificate associated with an https URL.

References

• https://nvd.nist.gov/vuln/detail/CVE-2006-6772
• https://exchange.xforce.ibmcloud.com/vulnerabilities/31114
• https://exchange.xforce.ibmcloud.com/vulnerabilities/34821
• http://fedoranews.org/cms/node/2415
• http://fedoranews.org/cms/node/2416
• http://lists.grok.org.uk/pipermail/full-disclosure/2006-December/051457.html
• http://secunia.com/advisories/23492
• http://secunia.com/advisories/23588
• http://secunia.com/advisories/23717
• http://secunia.com/advisories/23773
• http://secunia.com/advisories/23792
• http://security.gentoo.org/glsa/glsa-200701-06.xml
• http://securitytracker.com/id?1017440
• http://sourceforge.net/tracker/index.php?func=detail&aid=1612792&group_id=39518&atid=425439
• http://w3m.cvs.sourceforge.net/*checkout*/w3m/w3m/NEWS?revision=1.79
• http://w3m.cvs.sourceforge.net/w3m/w3m/file.c?r1=1.249&r2=1.250
• http://w3m.cvs.sourceforge.net/w3m/w3m/file.c?view=log
• http://www.novell.com/linux/security/advisories/2007_05_w3m.html
• http://www.openpkg.com/security/advisories/OpenPKG-SA-2006.044.html
• http://www.securityfocus.com/bid/21735
• http://www.securityfocus.com/bid/24332
• http://www.ubuntu.com/usn/usn-399-1
• http://www.vupen.com/english/advisories/2006/5164