CVE-2014-1563 - Use After Free

Severity

99%

Complexity

99%

Confidentiality

165%

CWE-416: Use After Free

Use-after-free vulnerability in the mozilla::DOMSVGLength::GetTearOff function in Mozilla Firefox before 32.0, Firefox ESR 31.x before 31.1, and Thunderbird 31.x before 31.1 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via an SVG animation with DOM interaction that triggers incorrect cycle collection.

CWE-416: Use After Free

CVSS 2.0 Base Score 9.9. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C).

Demo Examples

Use After Free

CWE-416

The following example demonstrates the weakness.


               
}
free(buf3R2);

Use After Free

CWE-416

The following code illustrates a use after free error:


               
}
free(ptr);
logError("operation aborted before commit", ptr);

When an error occurs, the pointer is immediately freed. However, this pointer is later incorrectly used in the logError function.

Overview

First reported 10 years ago

2014-09-03 10:55:00

Last updated 6 years ago

2018-10-30 16:27:00

Affected Software

openSUSE Evergreen 11.4

11.4

OpenSUSE 12.3

12.3

OpenSUSE 13.1

13.1

Oracle Solaris 11.3

11.3

Mozilla Firefox 30.0

30.0

Mozilla Firefox 31.0

31.0

Mozilla Firefox

Mozilla Firefox Extended Support Release (ESR) 31.0

31.0

Mozilla Thunderbird 31.0

31.0

References

openSUSE-SU-2014:1098

Third Party Advisory

openSUSE-SU-2015:0138

Third Party Advisory

openSUSE-SU-2015:1266

openSUSE-SU-2014:1099

Third Party Advisory

60148

61114

http://www.mozilla.org/security/announce/2014/mfsa2014-68.html

Vendor Advisory

http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

Third Party Advisory

69523

1030793

1030794

https://bugzilla.mozilla.org/show_bug.cgi?id=1018524

Issue Tracking

GLSA-201504-01

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