QID 239335

Date Published: 2021-05-20

QID 239335: Red Hat Update for GNOME (RHSA-2021:1586)

GNOME is the default desktop environment of Red Hat Enterprise Linux.The following packages have been upgraded to a later upstream version: accountsservice (0.6.55), webkit2gtk3 (2.30.4). (BZ#1846376, BZ#1883304)

Security Fix(es): webkitgtk: type confusion may lead to arbitrary code execution (CVE-2020-9948) webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-9951) webkitgtk: out-of-bounds write may lead to code execution (CVE-2020-9983) webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-13543) webkitgtk: use-after-free may lead to arbitrary code execution (CVE-2020-13584) glib2: insecure permissions for files and directories (CVE-2019-13012)

Affected Products:

Red Hat Enterprise Linux for x86_64 8 x86_64
Red Hat Enterprise Linux for IBM z Systems 8 s390x
Red Hat Enterprise Linux for Power, little endian 8 ppc64le
Red Hat Enterprise Linux for ARM 64 8 aarch64
Red Hat CodeReady Linux Builder for x86_64 8 x86_64
Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as Critical - 8.8 severity.
  • CVSS V2 rated as High - 6.8 severity.
  • Solution
    Upgrade to the latest packages which contain a patch. Refer to Applying Package Updates to RHEL system for details.

    Refer to Red Hat security advisory RHSA-2021:1586 to address this issue and obtain more information.

    Vendor References
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:1586 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:1586?language=en