Bug 1937787 (CVE-2021-20285) - CVE-2021-20285 upx: Illegal memory access in canPack function in p_lx_elf.cpp
Summary: CVE-2021-20285 upx: Illegal memory access in canPack function in p_lx_elf.cpp
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-20285
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: 1937789 1937791
Blocks: 1937806
TreeView+ depends on / blocked
 
Reported: 2021-03-11 14:52 UTC by Pedro Sampaio
Modified: 2021-03-11 17:25 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.
Clone Of:
Environment:
Last Closed: 2021-03-11 17:25:50 UTC
Embargoed:

Attachments (Terms of Use)

Description Pedro Sampaio 2021-03-11 14:52:39 UTC 
A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96 that allows attackers to cause a denial of service (SEGV or buffer overflow, and application crash) or possibly have unspecified other impacts via a crafted ELF.

Upstream issue:

https://github.com/upx/upx/issues/421
Comment 1 Pedro Sampaio 2021-03-11 14:53:09 UTC 
Created upx tracking bugs for this issue:

Affects: epel-all [bug 1937789]
Affects: fedora-all [bug 1937791]
Comment 2 Product Security DevOps Team 2021-03-11 17:25:50 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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