Bug 1922275 (CVE-2021-20232) - CVE-2021-20232 gnutls: Use after free in client_send_params in lib/ext/pre_shared_key.c
Summary: CVE-2021-20232 gnutls: Use after free in client_send_params in lib/ext/pre_sh...
Keywords:
Status: NEW
Alias: CVE-2021-20232
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1927593 1927594 1938150 1927592 1938149
Blocks: 1922277 1926237
TreeView+ depends on / blocked
 
Reported: 2021-01-29 15:15 UTC by Pedro Sampaio
Modified: 2021-03-29 08:48 UTC (History)
15 users (show)

Fixed In Version: gnutls 3.7.1
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences.
Clone Of:
Environment:
Last Closed:


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Description Pedro Sampaio 2021-01-29 15:15:43 UTC
A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences.

References:

https://gitlab.com/gnutls/gnutls/-/issues/1151

Comment 3 Huzaifa S. Sidhpurwala 2021-03-12 09:56:38 UTC
Created gnutls tracking bugs for this issue:

Affects: fedora-all [bug 1938149]


Created mingw-gnutls tracking bugs for this issue:

Affects: fedora-all [bug 1938150]

Comment 4 Huzaifa S. Sidhpurwala 2021-03-12 09:59:47 UTC
External References:

https://www.gnutls.org/security-new.html#GNUTLS-SA-2021-03-10

Comment 6 Huzaifa S. Sidhpurwala 2021-03-12 10:07:11 UTC
Acknowledgments:

Name: GnuTLS project
Upstream: Ivan Nikolchev

Comment 7 Huzaifa S. Sidhpurwala 2021-03-12 10:11:54 UTC
Upstream commit: https://gitlab.com/gnutls/gnutls/-/commit/75a937d97f4fefc6f9b08e3791f151445f551cb3


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