Bug 1199246 (CVE-2022-20796)

Summary:	VUL-0: CVE-2022-20796: clamav: NULL-pointer dereference crash in the scan verdict cache check
Product:	[Novell Products] SUSE Security Incidents	Reporter:	Hu <cathy.hu>
Component:	Incidents	Assignee:	Security Team bot <security-team>
Status:	RESOLVED FIXED	QA Contact:	Security Team bot <security-team>
Severity:	Major
Priority:	P3 - Medium	CC:	carlos.lopez, max, smash_bz
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/330753/
Whiteboard:	CVSSv3.1:SUSE:CVE-2022-20796:7.5:(AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description Hu 2022-05-05 12:38:35 UTC

CVE-2022-20796

On May 4, 2022, the following vulnerability in the ClamAV scanning library
versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A
vulnerability in Clam AntiVirus (ClamAV) versions 0.103.4, 0.103.5, 0.104.1, and
0.104.2 could allow an authenticated, local attacker to cause a denial of
service condition on an affected device. For a description of this
vulnerability, see the ClamAV blog.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-20796
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20796
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-dos-vL9x58p4

Comment 1 Hu 2022-05-05 12:38:56 UTC

Affected:
 - SUSE:SLE-11-SP1:Update/clamav   0.103.5
 - SUSE:SLE-12-SP5:Update/clamav   0.103.5
 - SUSE:SLE-12:Update/clamav       0.103.5
 - SUSE:SLE-15:Update/clamav       0.103.5
 - openSUSE:Factory/clamav         0.103.5

Patch: https://github.com/Cisco-Talos/clamav/commit/9b026033b49239d8daff003839bf1c46413e38f9

Comment 3 Swamp Workflow Management 2022-05-12 10:18:34 UTC

SUSE-SU-2022:1644-1: An update that fixes 5 vulnerabilities is now available.

Category: security (important)
Bug References: 1199242,1199244,1199245,1199246,1199274
CVE References: CVE-2022-20770,CVE-2022-20771,CVE-2022-20785,CVE-2022-20792,CVE-2022-20796
JIRA References: 
Sources used:
openSUSE Leap 15.4 (src):    clamav-0.103.6-150000.3.38.1
openSUSE Leap 15.3 (src):    clamav-0.103.6-150000.3.38.1
SUSE Linux Enterprise Module for Basesystem 15-SP4 (src):    clamav-0.103.6-150000.3.38.1
SUSE Linux Enterprise Module for Basesystem 15-SP3 (src):    clamav-0.103.6-150000.3.38.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 4 Swamp Workflow Management 2022-05-12 19:19:47 UTC

SUSE-SU-2022:1647-1: An update that fixes 5 vulnerabilities is now available.

Category: security (important)
Bug References: 1199242,1199244,1199245,1199246,1199274
CVE References: CVE-2022-20770,CVE-2022-20771,CVE-2022-20785,CVE-2022-20792,CVE-2022-20796
JIRA References: 
Sources used:
SUSE Linux Enterprise Server 12-SP5 (src):    clamav-0.103.6-3.18.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 5 Carlos López 2022-09-16 13:08:28 UTC

Done, closing.