Race condition in QEMU - CVE-2017-15038

 

Race condition in QEMU - CVE-2017-15038

Published: May 30, 2018


Vulnerability identifier: #VU13050
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-15038
CWE-ID: CWE-362
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: QEMU
Affected software:
QEMU

Detailed vulnerability description

The vulnerability allows an adjacent attacker to obtain potentially sensitive information on the target system.

The weakness exists due to race condition in the v9fs_xattrwalk function in hw/9pfs/9p.c in QEMU (aka Quick Emulator). An adjacent attacker can obtain sensitive information from host heap memory via vectors related to reading extended attributes.

How to mitigate CVE-2017-15038

Install update from vendor's website.

Sources