Bug 2185860 (CVE-2021-43314) - CVE-2021-43314 upx: heap-based buffer overflow in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp
Summary: CVE-2021-43314 upx: heap-based buffer overflow in PackLinuxElf32::elf_lookup(...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-43314
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: 2023-04-17 18:27 UTC (History)
1 user (show)

Fixed In Version:
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Last Closed: 2023-04-11 18:05:47 UTC
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Description TEJ RATHI 2023-04-11 12:51:39 UTC 
A heap-based buffer overflows 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:5368

https://github.com/upx/upx/issues/380
Comment 1 TEJ RATHI 2023-04-11 12:58:59 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 18:05:45 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.
Comment 3 John Reiser 2023-04-17 18:25:36 UTC 
Verified in official release upx-4.0.2 https://github.com/upx/upx/releases/tag/v4.0.2 of Jan.30, 2023.  See also https://github.com/upx/upx/issues/380#issuecomment-1511845513 .
Comment 4 John Reiser 2023-04-17 18:27:41 UTC 
Verified closed in official release upx-4.0.2 of Jan.30, 2023.  See https://github.com/upx/upx/issues/380#issuecomment-1511845513 .
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