RedHat: RHSA-2021-4385:03 Moderate: glib2 security and bug fix update
Summary
GLib provides the core application building blocks for libraries and
applications written in C. It provides the core object system used in
GNOME, the main loop implementation, and a large set of utility functions
for strings and common data structures.
Security Fix(es):
* glib2: Possible privilege escalation thourgh pkexec and aliases
(CVE-2021-3800)
* glib: g_file_replace() with G_FILE_CREATE_REPLACE_DESTINATION creates
empty target for dangling symlink (CVE-2021-28153)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.5 Release Notes linked from the References section.
Summary
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
References
https://access.redhat.com/security/cve/CVE-2021-3800 https://access.redhat.com/security/cve/CVE-2021-28153 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/
Package List
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
glib2-2.56.4-156.el8.src.rpm
aarch64:
glib2-2.56.4-156.el8.aarch64.rpm
glib2-debuginfo-2.56.4-156.el8.aarch64.rpm
glib2-debugsource-2.56.4-156.el8.aarch64.rpm
glib2-devel-2.56.4-156.el8.aarch64.rpm
glib2-devel-debuginfo-2.56.4-156.el8.aarch64.rpm
glib2-fam-2.56.4-156.el8.aarch64.rpm
glib2-fam-debuginfo-2.56.4-156.el8.aarch64.rpm
glib2-tests-2.56.4-156.el8.aarch64.rpm
glib2-tests-debuginfo-2.56.4-156.el8.aarch64.rpm
ppc64le:
glib2-2.56.4-156.el8.ppc64le.rpm
glib2-debuginfo-2.56.4-156.el8.ppc64le.rpm
glib2-debugsource-2.56.4-156.el8.ppc64le.rpm
glib2-devel-2.56.4-156.el8.ppc64le.rpm
glib2-devel-debuginfo-2.56.4-156.el8.ppc64le.rpm
glib2-fam-2.56.4-156.el8.ppc64le.rpm
glib2-fam-debuginfo-2.56.4-156.el8.ppc64le.rpm
glib2-tests-2.56.4-156.el8.ppc64le.rpm
glib2-tests-debuginfo-2.56.4-156.el8.ppc64le.rpm
s390x:
glib2-2.56.4-156.el8.s390x.rpm
glib2-debuginfo-2.56.4-156.el8.s390x.rpm
glib2-debugsource-2.56.4-156.el8.s390x.rpm
glib2-devel-2.56.4-156.el8.s390x.rpm
glib2-devel-debuginfo-2.56.4-156.el8.s390x.rpm
glib2-fam-2.56.4-156.el8.s390x.rpm
glib2-fam-debuginfo-2.56.4-156.el8.s390x.rpm
glib2-tests-2.56.4-156.el8.s390x.rpm
glib2-tests-debuginfo-2.56.4-156.el8.s390x.rpm
x86_64:
glib2-2.56.4-156.el8.i686.rpm
glib2-2.56.4-156.el8.x86_64.rpm
glib2-debuginfo-2.56.4-156.el8.i686.rpm
glib2-debuginfo-2.56.4-156.el8.x86_64.rpm
glib2-debugsource-2.56.4-156.el8.i686.rpm
glib2-debugsource-2.56.4-156.el8.x86_64.rpm
glib2-devel-2.56.4-156.el8.i686.rpm
glib2-devel-2.56.4-156.el8.x86_64.rpm
glib2-devel-debuginfo-2.56.4-156.el8.i686.rpm
glib2-devel-debuginfo-2.56.4-156.el8.x86_64.rpm
glib2-fam-2.56.4-156.el8.x86_64.rpm
glib2-fam-debuginfo-2.56.4-156.el8.i686.rpm
glib2-fam-debuginfo-2.56.4-156.el8.x86_64.rpm
glib2-tests-2.56.4-156.el8.x86_64.rpm
glib2-tests-debuginfo-2.56.4-156.el8.i686.rpm
glib2-tests-debuginfo-2.56.4-156.el8.x86_64.rpm
Red Hat Enterprise Linux CRB (v. 8):
aarch64:
glib2-debuginfo-2.56.4-156.el8.aarch64.rpm
glib2-debugsource-2.56.4-156.el8.aarch64.rpm
glib2-devel-debuginfo-2.56.4-156.el8.aarch64.rpm
glib2-fam-debuginfo-2.56.4-156.el8.aarch64.rpm
glib2-static-2.56.4-156.el8.aarch64.rpm
glib2-tests-debuginfo-2.56.4-156.el8.aarch64.rpm
noarch:
glib2-doc-2.56.4-156.el8.noarch.rpm
ppc64le:
glib2-debuginfo-2.56.4-156.el8.ppc64le.rpm
glib2-debugsource-2.56.4-156.el8.ppc64le.rpm
glib2-devel-debuginfo-2.56.4-156.el8.ppc64le.rpm
glib2-fam-debuginfo-2.56.4-156.el8.ppc64le.rpm
glib2-static-2.56.4-156.el8.ppc64le.rpm
glib2-tests-debuginfo-2.56.4-156.el8.ppc64le.rpm
s390x:
glib2-debuginfo-2.56.4-156.el8.s390x.rpm
glib2-debugsource-2.56.4-156.el8.s390x.rpm
glib2-devel-debuginfo-2.56.4-156.el8.s390x.rpm
glib2-fam-debuginfo-2.56.4-156.el8.s390x.rpm
glib2-static-2.56.4-156.el8.s390x.rpm
glib2-tests-debuginfo-2.56.4-156.el8.s390x.rpm
x86_64:
glib2-debuginfo-2.56.4-156.el8.i686.rpm
glib2-debuginfo-2.56.4-156.el8.x86_64.rpm
glib2-debugsource-2.56.4-156.el8.i686.rpm
glib2-debugsource-2.56.4-156.el8.x86_64.rpm
glib2-devel-debuginfo-2.56.4-156.el8.i686.rpm
glib2-devel-debuginfo-2.56.4-156.el8.x86_64.rpm
glib2-fam-debuginfo-2.56.4-156.el8.i686.rpm
glib2-fam-debuginfo-2.56.4-156.el8.x86_64.rpm
glib2-static-2.56.4-156.el8.i686.rpm
glib2-static-2.56.4-156.el8.x86_64.rpm
glib2-tests-debuginfo-2.56.4-156.el8.i686.rpm
glib2-tests-debuginfo-2.56.4-156.el8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for glib2 is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux CRB (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
Bugs Fixed
1938284 - CVE-2021-3800 glib2: Possible privilege escalation thourgh pkexec and aliases
1938291 - CVE-2021-28153 glib: g_file_replace() with G_FILE_CREATE_REPLACE_DESTINATION creates empty target for dangling symlink
1948988 - Refcounting issue causes crashes and slow workarounds
1971533 - MD5 HMAC computation should not cause glib to segfault in FIPS mode