SB2017061636 - Heap-based buffer overflow in qemu (Alpine package)
Published: June 16, 2017
Security Bulletin ID
SB2017061636
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
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-2017-5931)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Integer overflow in hw/virtio/virtio-crypto.c in QEMU (aka Quick Emulator). A remote attacker can use a crafted virtio-crypto request 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=64053e93d1b2192473cc16b8719d43e6b1c036a6
- https://git.alpinelinux.org/aports/commit/?id=49c55179349e43e2151cb8d043c9d063362116f9
- https://git.alpinelinux.org/aports/commit/?id=95bc43da6b1937b995aa1c06eef35127556a33ed
- https://git.alpinelinux.org/aports/commit/?id=4fd42213196834bf5e7a33f83e9e6775606a9aba