Insufficient Entropy in xcmsdb - CVE-2017-2626
Published: July 27, 2018 / Updated: July 28, 2020
Vulnerability identifier: #VU32017
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-2626
CWE-ID: CWE-331
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: xorg.freedesktop.org
Affected software:
xcmsdb
xcmsdb
Detailed vulnerability description
The vulnerability allows a local authenticated user to gain access to sensitive information.
It was discovered that libICE before 1.0.9-8 used a weak entropy to generate keys. A local attacker could potentially use this flaw for session hijacking using the information available from the process list.
How to mitigate CVE-2017-2626
Install update from vendor's website.
Sources
- http://www.openwall.com/lists/oss-security/2019/07/14/3
- http://www.securityfocus.com/bid/96480
- http://www.securitytracker.com/id/1037919
- https://access.redhat.com/errata/RHSA-2017:1865
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2626
- https://cgit.freedesktop.org/xorg/lib/libICE/commit/?id=ff5e59f32255913bb1cdf51441b98c9107ae165b
- https://lists.debian.org/debian-lts-announce/2019/11/msg00022.html
- https://security.gentoo.org/glsa/201704-03
- https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/