Bug 2185857 (CVE-2021-43311) - CVE-2021-43311 upx: heap-based buffer overflow in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp
Summary: CVE-2021-43311 upx: heap-based buffer overflow in PackLinuxElf32::elf_lookup(...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-43311
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2185867 2185866
Blocks: 2181820
TreeView+ depends on / blocked
 
Reported: 2023-04-11 12:51 UTC by TEJ RATHI
Modified: 2023-04-11 17:35 UTC (History)
0 users

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Last Closed: 2023-04-11 17:35:26 UTC
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Description TEJ RATHI 2023-04-11 12:51:28 UTC
A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32(). The problem is essentially caused in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp:5382.

https://github.com/upx/upx/issues/380

Comment 1 TEJ RATHI 2023-04-11 12:58:51 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 17:35:24 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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