Red Hat Software Collections update for devtoolset-10-annobin



Published: 2021-11-21 | Updated: 2023-09-18
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-42574
CWE-ID CWE-20
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe
Red Hat Software Collections
Universal components / Libraries / Software for developers

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU57848

Risk: Low

CVSSv3.1: 3.3 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2021-42574

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

The vulnerability allows an attacker to bypass certain security checks.

The vulnerability exists in the Bidirectional Algorithm in the Unicode Specification. It permits the visual reordering of characters via control sequences, which can be used to craft source code that renders different logic than the logical ordering of tokens ingested by compilers and interpreters.

An attacker can leverage this behavior to encode source code for compilers accepting Unicode such that targeted vulnerabilities are introduced invisibly to human reviewers.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Software Collections: 1 for RHEL 7 - 1 for RHEL 7.7

External links

http://access.redhat.com/errata/RHSA-2021:4724


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



###SIDEBAR###