Anolis OS update for rust-toolset:an8 module



| Updated: 2025-03-28
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
Anolis OS
Operating systems & Components / Operating system

rust-src
Operating systems & Components / Operating system package or component

rust-lldb
Operating systems & Components / Operating system package or component

rust-gdb
Operating systems & Components / Operating system package or component

rust-debugger-common
Operating systems & Components / Operating system package or component

cargo-doc
Operating systems & Components / Operating system package or component

rustfmt
Operating systems & Components / Operating system package or component

rust-toolset
Operating systems & Components / Operating system package or component

rust-std-static-wasm32-unknown-unknown
Operating systems & Components / Operating system package or component

rust-std-static
Operating systems & Components / Operating system package or component

rust-doc
Operating systems & Components / Operating system package or component

rust-analysis
Operating systems & Components / Operating system package or component

rust
Operating systems & Components / Operating system package or component

rls
Operating systems & Components / Operating system package or component

clippy
Operating systems & Components / Operating system package or component

cargo
Operating systems & Components / Operating system package or component

Vendor OpenAnolis

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU57848

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

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 repository.

Vulnerable software versions

Anolis OS: 8

rust-src: before 1.54.0-3

rust-lldb: before 1.54.0-3

rust-gdb: before 1.54.0-3

rust-debugger-common: before 1.54.0-3

cargo-doc: before 1.54.0-3

rustfmt: before 1.54.0-3

rust-toolset: before 1.54.0-1

rust-std-static-wasm32-unknown-unknown: before 1.54.0-3

rust-std-static: before 1.54.0-3

rust-doc: before 1.54.0-3

rust-analysis: before 1.54.0-3

rust: before 1.54.0-3

rls: before 1.54.0-3

clippy: before 1.54.0-3

cargo: before 1.54.0-3

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2022:0047


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.



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