Bug 2185861 (CVE-2021-43315) - CVE-2021-43315 upx: heap-based buffer overflow in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp
Summary: CVE-2021-43315 upx: heap-based buffer overflow in PackLinuxElf32::elf_lookup(...
Alias: CVE-2021-43315
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 2185867 2185866
Blocks: 2181820
TreeView+ depends on / blocked
Reported: 2023-04-11 12:51 UTC by TEJ RATHI
Modified: 2023-04-17 18:29 UTC (History)
1 user (show)

Fixed In Version:
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Clone Of:
Last Closed: 2023-04-11 18:06:47 UTC

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Description TEJ RATHI 2023-04-11 12:51:41 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:5349


Comment 1 TEJ RATHI 2023-04-11 12:59:38 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 18:06:45 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 18:29:03 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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