XSS in Mozilla Firefox
CVE-2012-4207
The HZ-GB-2312 character-set implementation in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 does not properly handle a ~ (tilde) character in proximity to a chunk delimiter, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted document.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.028 (85.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
- Mozilla Firefox
- Mozilla Seamonkey
- Mozilla Thunderbird
- Mozilla Thunderbird Esr
- Canonical Ubuntu Linux — versions 10.04, 11.10, 12.04
- Debian Linux — versions 6.0, 7.0
- openSUSE — versions 11.4, 12.1, 12.2
- Red Hat Enterprise Linux Desktop — versions 5.0, 6.0
- Red Hat Enterprise Linux Eus — versions 6.3
- Red Hat Enterprise Linux Server — versions 5.0, 6.0
Weakness classification (CWE)
References
- osvdb.org/87587 (vdb-entry, Broken Link)
- www.ubuntu.com/usn/USN-1638-3 (vendor-advisory, Third Party Advisory)
- secunia.com/advisories/51370 (Third Party Advisory, third-party-advisory)
- www.ubuntu.com/usn/USN-1638-2 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2012-11/msg00093.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.ubuntu.com/usn/USN-1636-1 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html (vendor-advisory, Mailing List, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2012-1483.html (vendor-advisory, Third Party Advisory)
- www.mozilla.org/security/announce/2012/mfsa2012-101.html (Vendor Advisory)
- www.debian.org/security/2012/dsa-2584 (vendor-advisory, Third Party Advisory)