Heap-based buffer overflow in QEMU - CVE-2017-5931
Published: March 27, 2017 / Updated: July 28, 2020
Vulnerability identifier: #VU32092
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-5931
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: QEMU
Affected software:
QEMU
QEMU
Detailed vulnerability description
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.
How to mitigate CVE-2017-5931
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- http://git.qemu-project.org/?p=qemu.git;a=commit;h=a08aaff811fb194950f79711d2afe5a892ae03a4
- http://www.openwall.com/lists/oss-security/2017/02/08/2
- http://www.securityfocus.com/bid/96141
- https://bugzilla.redhat.com/show_bug.cgi?id=1420092
- https://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg01368.html
- https://security.gentoo.org/glsa/201702-28