Bug 2170764 (CVE-2023-20052) - CVE-2023-20052 clamav: DMG File Parsing XML Entity Expansion Vulnerability
Summary: CVE-2023-20052 clamav: DMG File Parsing XML Entity Expansion Vulnerability
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2023-20052
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: 2170766 2170768
Blocks:
TreeView+ depends on / blocked
 
Reported: 2023-02-17 08:24 UTC by TEJ RATHI
Modified: 2023-02-17 13:46 UTC (History)
0 users

Fixed In Version: clamav 0.103.8, clamav 0.105.2, clamav 1.0.1
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Last Closed: 2023-02-17 13:46:28 UTC

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Description TEJ RATHI 2023-02-17 08:24:01 UTC 
CVE-2023-20052: Possible remote information leak vulnerability in the DMG file parser. 

Affects versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier. 

This vulnerability is due to enabling XML entity substitution that may result in XML external entity injection. An attacker could exploit this vulnerability by submitting a crafted DMG file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to leak bytes from any file that may be read by the ClamAV scanning process.

https://blog.clamav.net/2023/02/clamav-01038-01052-and-101-patch.html
Comment 1 TEJ RATHI 2023-02-17 08:24:31 UTC 
Created clamav tracking bugs for this issue:

Affects: epel-all [bug 2170766]
Affects: fedora-all [bug 2170768]
Comment 2 Product Security DevOps Team 2023-02-17 13:46:26 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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