REDHAT-BUG-1948696: Low severity upx upx vulnerability

Published Apr 12, 2021
·
Updated

An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file.

Upstream issue:

https://github.com/upx/upx/issues/486

Upstream patch: https://github.com/upx/upx/pull/487 https://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46

Affected Software

1 affected component
UPX UPX

Event History

Apr 12, 2021
Data Sourced
via Red Hat·06:40 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-1948696?

The severity of REDHAT-BUG-1948696 is classified as a denial of service vulnerability.

2

How do I fix REDHAT-BUG-1948696?

To fix REDHAT-BUG-1948696, you should apply the latest patch provided by the UPX maintainers.

3

What software is affected by REDHAT-BUG-1948696?

REDHAT-BUG-1948696 affects UPX version 4.0.0.

4

Can REDHAT-BUG-1948696 be exploited remotely?

Yes, REDHAT-BUG-1948696 can be exploited by attackers through crafted files.

5

What conditions lead to the vulnerability in REDHAT-BUG-1948696?

The vulnerability in REDHAT-BUG-1948696 is triggered by an assertion abort in the MemBuffer::alloc() function.

Contact

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