SB2015012903 - Heap-based buffer overflow in qemu (Alpine package)
Published: January 29, 2015
Security Bulletin ID
SB2015012903
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2014-8106)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Heap-based buffer overflow in the Cirrus VGA emulator (hw/display/cirrus_vga.c) in QEMU before 2.2.0. A remote attacker can use vectors related to blit regions. NOTE to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=cbfc3b3f42666cb87df934d811bf788682a5f0cc
- https://git.alpinelinux.org/aports/commit/?id=108d798f522424e0e5c45a725d2b052458411614
- https://git.alpinelinux.org/aports/commit/?id=42fbf263cfee88faa3bdd4d91edbc34a0e6dd6a2
- https://git.alpinelinux.org/aports/commit/?id=da8fdc46be4a3e48a559102b6ff9f2cc78d4a37c
- https://git.alpinelinux.org/aports/commit/?id=3f9dc4f4288ebdbcf2680465617abcdafbe010b8
- https://git.alpinelinux.org/aports/commit/?id=05a2ed6f7e588ed35d0bdcb6a32c4180e046cf37
- https://git.alpinelinux.org/aports/commit/?id=637ed149e5b0f0c9b01d9dfcd233c981233ee4dd
- https://git.alpinelinux.org/aports/commit/?id=d0b4324e7e564cb3e0690f40550e3d8b923f7946