Information disclosure in Xen - CVE-2017-17046
Published: October 4, 2017 / Updated: July 28, 2020
Vulnerability identifier: #VU8671
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-17046
CWE-ID: CWE-200
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an adjacent attacker to obtain potentially sensitive information.
The weakness exists in ARM systems due to the improper scrubbing of DRAM content during reboots when memory is in disjoint blocks or when the first block isn't at physical address 0. An adjacent attacker gain access to arbitrary data on the target system.
The weakness exists in ARM systems due to the improper scrubbing of DRAM content during reboots when memory is in disjoint blocks or when the first block isn't at physical address 0. An adjacent attacker gain access to arbitrary data on the target system.
Affected software
Xen
Gentoo Linux
xen (Alpine package)
Gentoo Linux
xen (Alpine package)
How to mitigate CVE-2017-17046
Install update from vendor's website.
xen (Alpine package) - update to 4.6.6-r2