CVE-2017-2626 Weak cryptography in libICE
A local attacker can hijack sessions due to weak entropy in key generation within the libICE library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-2626?
CVE-2017-2626 is a medium-severity vulnerability in Redhat Enterprise Linux Desktop, published on 27 Jul 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-331
Which versions are affected by CVE-2017-2626?
It affects 6 products.
Linux distribution packages (13)
libICE SUSE:Linux Enterprise Desktop 12 SP2 | All versions | 1.0.8-10.1 |
libICE SUSE:Linux Enterprise Desktop 12 SP3 | All versions | 1.0.8-12.1 |
xorg-x11-libICE SUSE:Linux Enterprise Server 11 SP4 | All versions | 7.4-3.1 |
libICE SUSE:Linux Enterprise Server 12 SP2 | All versions | 1.0.8-10.1 |
libICE SUSE:Linux Enterprise Server 12 SP3 | All versions | 1.0.8-12.1 |
libICE SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2 | All versions | 1.0.8-10.1 |
xorg-x11-libICE SUSE:Linux Enterprise Server for SAP Applications 11 SP4 | All versions | 7.4-3.1 |
libICE SUSE:Linux Enterprise Server for SAP Applications 12 SP2 | All versions | 1.0.8-10.1 |
libICE SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | All versions | 1.0.8-12.1 |
xorg-x11-libICE SUSE:Linux Enterprise Software Development Kit 11 SP4 | All versions | 7.4-3.1 |
libICE SUSE:Linux Enterprise Software Development Kit 12 SP2 | All versions | 1.0.8-10.1 |
libICE SUSE:Linux Enterprise Software Development Kit 12 SP3 | All versions | 1.0.8-12.1 |
libICE openSUSE:Tumbleweed | All versions | 1.0.10-1.8 |
Products include Freedesktop Libice, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus, Redhat Enterprise Linux Workstation.
How do I fix CVE-2017-2626?
Upgrade to a fixed version.
Is CVE-2017-2626 being exploited?
There is no known exploitation of CVE-2017-2626 in the wild and no public exploit code.
Sources
Also known as ALPINE-CVE-2017-2626, DEBIAN-CVE-2017-2626, DLA-2002-1, GHSA-jqp9-hwjj-p328, MGASA-2017-0307, SUSE-SU-2017:1835-1 and 5 more.