CVE-2015-0803
The HTMLSourceElement::AfterSetAttr function in Mozilla Firefox before 37.0 does not properly constrain the original data type of a casted value during the setting of a SOURCE element's attributes, which allows remote attackers to execute arbitrary code…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The HTMLSourceElement::AfterSetAttr function in Mozilla Firefox before 37.0 does not properly constrain the original data type of a casted value during the setting of a SOURCE element's attributes, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via a crafted HTML document.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 3.67% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- canonical/ubuntu linux · opensuse/opensuse · mozilla/firefox
- Source
- security@mozilla.org
References
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00003.html
- http://www.mozilla.org/security/announce/2015/mfsa2015-39.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securitytracker.com/id/1031996
- http://www.ubuntu.com/usn/USN-2550-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1134561
- https://security.gentoo.org/glsa/201512-10
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00003.html
- http://www.mozilla.org/security/announce/2015/mfsa2015-39.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securitytracker.com/id/1031996
- http://www.ubuntu.com/usn/USN-2550-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1134561
- https://security.gentoo.org/glsa/201512-10
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.