Bug 2211833 (CVE-2023-32636) - CVE-2023-32636 glib: Timeout in fuzz_variant_text
Summary: CVE-2023-32636 glib: Timeout in fuzz_variant_text
Keywords:
Status: NEW
Alias: CVE-2023-32636
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2212727 2212720 2212721 2212722 2212723 2212724 2212725 2212726 2212728
Blocks: 2160453
TreeView+ depends on / blocked
 
Reported: 2023-06-02 07:25 UTC by Dhananjay Arunesh
Modified: 2023-07-27 15:26 UTC (History)
5 users (show)

Fixed In Version:
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Doc Text:
A flaw was found in glib, where the gvariant deserialization code is vulnerable to a denial of service introduced by additional input validation added to resolve CVE-2023-29499. The offset table validation may be very slow. This bug does not affect any released version of glib but does affect glib distributors who followed the guidance of glib developers to backport the initial fix for CVE-2023-29499.
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Description Dhananjay Arunesh 2023-06-02 07:25:50 UTC 
GLib's GVariant deserialization code is vulnerable to a denial of service introduced by additional input validation added to resolve CVE-2023-29499. The offset table validation may be very slow. This bug does not affect any released version of GLib, but does affect GLib distributors who followed the guidance of GLib developers to backport the initial fix for CVE-2023-29499

References:
https://gitlab.gnome.org/GNOME/glib/-/issues/2841
Comment 2 Dhananjay Arunesh 2023-06-06 07:26:16 UTC 
Created glib tracking bugs for this issue:

Affects: epel-all [bug 2212720]


Created glib2 tracking bugs for this issue:

Affects: fedora-37 [bug 2212721]
Affects: fedora-38 [bug 2212726]


Created mingw-glib2 tracking bugs for this issue:

Affects: fedora-37 [bug 2212723]
Affects: fedora-38 [bug 2212728]
Comment 3 Michael Catanzaro 2023-06-06 13:54:24 UTC 
Remember that RHEL 8 and RHEL 9 are not affected by this issue. I didn't attempt to fix the earlier CVEs in RHEL 8, and in RHEL 9 I only fixed them for 9.3, which has not yet been released.
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