CVE-2018-7999 Null dereference in n/a
Attackers can cause denial of service via crafted TTF files exploiting a null pointer dereference in the Graphite2 font rendering library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-7999?
CVE-2018-7999 is a high-severity vulnerability in n/a, published on 9 Mar 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In libgraphite2 in graphite2 1.3.11, a NULL pointer dereference vulnerability was found in Segment.cpp during a dumbRendering operation, which may allow attackers to cause a denial of service or possibly have unspecified other impact via a crafted .ttf file.
Weakness: CWE-476
Which versions are affected by CVE-2018-7999?
It affects 1 product.
Linux distribution packages (9)
graphite2 SUSE:Linux Enterprise Desktop 12 SP2 | All versions | 1.3.1-10.3.1 |
graphite2 SUSE:Linux Enterprise Desktop 12 SP3 | All versions | 1.3.1-10.3.1 |
graphite2 SUSE:Linux Enterprise Server 12 SP2 | All versions | 1.3.1-10.3.1 |
graphite2 SUSE:Linux Enterprise Server 12 SP3 | All versions | 1.3.1-10.3.1 |
graphite2 SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2 | All versions | 1.3.1-10.3.1 |
graphite2 SUSE:Linux Enterprise Server for SAP Applications 12 SP2 | All versions | 1.3.1-10.3.1 |
graphite2 SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | All versions | 1.3.1-10.3.1 |
graphite2 SUSE:Linux Enterprise Software Development Kit 12 SP2 | All versions | 1.3.1-10.3.1 |
graphite2 SUSE:Linux Enterprise Software Development Kit 12 SP3 | All versions | 1.3.1-10.3.1 |
Products include Sil Graphite2.
How do I fix CVE-2018-7999?
Apply the vendor's patch.
Is CVE-2018-7999 being exploited?
There is no known exploitation of CVE-2018-7999 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2018-7999, GHSA-7p2q-34x4-g48j, MGASA-2018-0240, SUSE-SU-2018:0858-1, UBUNTU-CVE-2018-7999, USN-5657-1.