CVE-2012-1131
Description
From CVE.org
FreeType before 2.4.9, as used in Mozilla Firefox Mobile before 10.0.4 and other products, on 64-bit platforms allows remote attackers to cause a denial of service (invalid heap read operation and memory corruption) or possibly execute arbitrary code via vectors related to the cell table of a font.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
CVSS v2 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 4.3 | 9.3 | N/A |
| Attack Vector | Network | Network | N/A |
| Access Complexity | Medium | Medium | N/A |
| Authentication | None | None | N/A |
| Confidentiality Impact | None | Complete | N/A |
| Integrity Impact | None | Complete | N/A |
| Availability Impact | Partial | Complete | N/A |
Vector
Red Hat: AV:N/AC:M/Au:N/C:N/I:N/A:P
NVD: AV:N/AC:M/Au:N/C:C/I:C/A:C
Understanding the Weakness (CWE)
Availability,Integrity,Confidentiality
Technical Impact: Read Memory; Modify Memory; Execute Unauthorized Code or Commands; DoS: Crash, Exit, or Restart
When a memory buffer is accessed using the wrong type, it could read or write memory out of the bounds of the buffer, if the allocated buffer is smaller than the type that the code is attempting to access, leading to a crash and possibly code execution.
Acknowledgements
Red Hat would like to thank Mateusz Jurczyk (Google Security Team) for reporting this issue.
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