Mozilla Firefox Information Disclosure Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-03-03

[ Description ]Official description

Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 do not properly initialize data structures for the nsDOMSVGZoomEvent::mPreviousScale and nsDOMSVGZoomEvent::mNewScale functions, which allows remote attackers to obtain sensitive information from process memory via a crafted web site.

CISA: Mozilla Firefox does not properly initialize data structures for the nsDOMSVGZoomEvent::mPreviousScale and nsDOMSVGZoomEvent::mNewScale functions, which allows remote attackers to obtain sensitive information from process memory via a crafted web site.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 24 Mar 2022): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• lists.opensuse.org/opensuse-security-announce/2013-05/msg00010.htmlMailing ListThird Party Advisory
• lists.opensuse.org/opensuse-security-announce/2013-05/msg00011.htmlMailing ListThird Party Advisory
• lists.opensuse.org/opensuse-security-announce/2013-05/msg00012.htmlMailing ListThird Party Advisory
• lists.opensuse.org/opensuse-security-announce/2013-06/msg00006.htmlMailing ListThird Party Advisory
• lists.opensuse.org/opensuse-security-announce/2013-06/msg00008.htmlMailing ListThird Party Advisory
• rhn.redhat.com/errata/RHSA-2013-0820.htmlThird Party Advisory
• rhn.redhat.com/errata/RHSA-2013-0821.htmlThird Party Advisory
• www.debian.org/security/2013/dsa-2699Mailing List
• www.mandriva.com/security/advisoriesBroken Link
• www.mozilla.org/security/announce/2013/mfsa2013-47.htmlVendor Advisory
• www.securityfocus.com/bid/59858Broken LinkThird Party AdvisoryVDB Entry
• www.ubuntu.com/usn/USN-1822-1Third Party Advisory
• www.ubuntu.com/usn/USN-1823-1Third Party Advisory
• bugzilla.mozilla.org/show_bug.cgiExploitIssue Tracking
• oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16976Broken Link
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource