Multiple cross-site scripting (XSS) vulnerabilities in the paste.httpexceptions implementation in Paste before 1.7.4 allow remote attackers to inject arbitrary web script or HTML via vectors involving a 404 status code, related to (1) paste.urlparser.StaticURLParser, (2) paste.urlparser.PkgResourcesParser, (3) paste.urlmap.URLMap, and (4) HTTPNotFound.

References

• https://nvd.nist.gov/vuln/detail/CVE-2010-2477
• http://bitbucket.org/ianb/paste/changeset/fcae59df8b56
• http://groups.google.com/group/paste-users/browse_thread/thread/3b3fff3dadd0b1e5?pli=1
• http://groups.google.com/group/pylons-discuss/msg/8c256dc076a408d8?dmode=source&output=gplain
• http://marc.info/?l=oss-security&m=127785414818815&w=2
• http://marc.info/?l=oss-security&m=127792576822169&w=2
• http://pylonshq.com/articles/archives/2010/6/paste_174_released_addresses_xss_security_hole
• http://www.ubuntu.com/usn/USN-1026-1
• pasteorg/paste@4910493
• https://web.archive.org/web/20111227133546/http://secunia.com/advisories/42500
• https://web.archive.org/web/20120527154041/http://www.securityfocus.com/bid/41160