Moderate: GNOME security, bug fix, and enhancement update

Synopsis

Moderate: GNOME security, bug fix, and enhancement update

Type/Severity

Security Advisory: Moderate

Topic

An update is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

GNOME is the default desktop environment of Red Hat Enterprise Linux.

Security Fix(es):

  • libsoup: Crash in soup_cookie_jar.c:get_cookies() on empty hostnames (CVE-2018-12910)
  • poppler: Infinite recursion in fofi/FoFiType1C.cc:FoFiType1C::cvtGlyph() function allows denial of service (CVE-2017-18267)
  • libgxps: heap based buffer over read in ft_font_face_hash function of gxps-fonts.c (CVE-2018-10733)
  • libgxps: Stack-based buffer overflow in calling glib in gxps_images_guess_content_type of gcontenttype.c (CVE-2018-10767)
  • poppler: NULL pointer dereference in Annot.h:AnnotPath::getCoordsLength() allows for denial of service via crafted PDF (CVE-2018-10768)
  • poppler: out of bounds read in pdfunite (CVE-2018-13988)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank chenyuan (NESA Lab) for reporting CVE-2018-10733 and CVE-2018-10767 and Hosein Askari for reporting CVE-2018-13988.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

GDM must be restarted for this update to take effect. The X server must be restarted (log out, then log back in) for this update to take effect. The GNOME session must be restarted (log out, then log back in) for this update to take effect. All running instances of Evolution must be restarted for this update to take effect.

Affected Products

  • Red Hat Enterprise Linux Server 7 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux Desktop 7 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 7 x86_64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le
  • Red Hat Enterprise Linux for ARM 64 7 aarch64
  • Red Hat Enterprise Linux for Power 9 7 ppc64le
  • Red Hat Enterprise Linux for IBM System z (Structure A) 7 s390x

Fixes

CVEs

References