Vulnerabilities > CVE-2018-6942 - NULL Pointer Dereference vulnerability in multiple products
Attack vector
NETWORK Attack complexity
MEDIUM Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
PARTIAL Summary
An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the Ins_GETVARIATION() function within ttinterp.c could lead to DoS via a crafted font file.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Nessus
NASL family PhotonOS Local Security Checks NASL id PHOTONOS_PHSA-2018-2_0-0058_FREETYPE2.NASL description An update of the freetype2 package has been released. last seen 2020-03-17 modified 2019-02-07 plugin id 121955 published 2019-02-07 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/121955 title Photon OS 2.0: Freetype2 PHSA-2018-2.0-0058 NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3572-1.NASL description It was discovered that FreeType incorrectly handled certain files. An attacker could possibly use this to cause a denial of service. Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 106839 published 2018-02-15 reporter Ubuntu Security Notice (C) 2018-2019 Canonical, Inc. / NASL script (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/106839 title Ubuntu 17.10 : freetype vulnerability (USN-3572-1) NASL family PhotonOS Local Security Checks NASL id PHOTONOS_PHSA-2018-1_0-0148.NASL description An update of {'freetype2', 'binutils'} packages of Photon OS has been released. last seen 2019-02-21 modified 2019-02-07 plugin id 111274 published 2018-07-24 reporter Tenable source https://www.tenable.com/plugins/index.php?view=single&id=111274 title Photon OS 1.0 : freetype2 / binutils (PhotonOS-PHSA-2018-1.0-0148) (deprecated) NASL family SuSE Local Security Checks NASL id SUSE_SU-2020-1353-1.NASL description This update for freetype2 to version 2.10.1 fixes the following issues : Security issue fixed : CVE-2018-6942: Fixed a NULL pointer dereference within ttinerp.c (bsc#1079603). Non-security issues fixed : Update to version 2.10.1 - The bytecode hinting of OpenType variation fonts was flawed, since the data in the `CVAR last seen 2020-05-31 modified 2020-05-22 plugin id 136800 published 2020-05-22 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136800 title SUSE SLED15 / SLES15 Security Update : freetype2 (SUSE-SU-2020:1353-1) NASL family PhotonOS Local Security Checks NASL id PHOTONOS_PHSA-2018-1_0-0148_FREETYPE2.NASL description An update of the freetype2 package has been released. last seen 2020-03-17 modified 2019-02-07 plugin id 121846 published 2019-02-07 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/121846 title Photon OS 1.0: Freetype2 PHSA-2018-1.0-0148 NASL family PhotonOS Local Security Checks NASL id PHOTONOS_PHSA-2018-2_0-0058.NASL description An update of {'freetype2', 'binutils'} packages of Photon OS has been released. last seen 2019-02-21 modified 2019-02-07 plugin id 111308 published 2018-07-24 reporter Tenable source https://www.tenable.com/plugins/index.php?view=single&id=111308 title Photon OS 2.0 : freetype2 / binutils (PhotonOS-PHSA-2018-2.0-0058) (deprecated) NASL family SuSE Local Security Checks NASL id OPENSUSE-2020-704.NASL description This update for freetype2 to version 2.10.1 fixes the following issues : Security issue fixed : - CVE-2018-6942: Fixed a NULL pointer dereference within ttinerp.c (bsc#1079603). Non-security issues fixed : - Update to version 2.10.1 - The bytecode hinting of OpenType variation fonts was flawed, since the data in the `CVAR last seen 2020-05-31 modified 2020-05-26 plugin id 136887 published 2020-05-26 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136887 title openSUSE Security Update : freetype2 (openSUSE-2020-704) NASL family Fedora Local Security Checks NASL id FEDORA_2018-07A3E36499.NASL description Security fix for CVE-2018-6942. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2018-02-21 plugin id 106905 published 2018-02-21 reporter This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/106905 title Fedora 27 : freetype (2018-07a3e36499)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00054.html
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5736
- https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=29c759284e305ec428703c9a5831d0b1fc3497ef
- https://usn.ubuntu.com/3572-1/
- https://www.oracle.com/security-alerts/cpuapr2020.html