Bug 2185859 (CVE-2021-43313)

Summary: CVE-2021-43313 upx: heap-based buffer overflow in PackLinuxElf32::invert_pt_dynamic at p_lx_elf.cpp
Product: [Other] Security Response Reporter: TEJ RATHI <trathi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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Last Closed: 2023-04-11 18:04:47 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2185867, 2185866    
Bug Blocks: 2181820    

Description TEJ RATHI 2023-04-11 12:51:37 UTC
A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being triggered in the function PackLinuxElf32::invert_pt_dynamic at p_lx_elf.cpp:1688.


Comment 1 TEJ RATHI 2023-04-11 12:59:30 UTC
Created upx tracking bugs for this issue:

Affects: epel-all [bug 2185867]
Affects: fedora-all [bug 2185866]

Comment 2 Product Security DevOps Team 2023-04-11 18:04:46 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.