Standard Library up to 1.51.x on Rust __iterator_get_unchecked memory corruption

Summaryinfo

A vulnerability, which was classified as critical, has been found in Standard Library up to 1.51.x on Rust. This vulnerability affects the function __iterator_get_unchecked. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2021-28876. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Standard Library up to 1.51.x on Rust (Software Library). Affected by this vulnerability is the function __iterator_get_unchecked. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 04/12/2021. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-28876. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 236569 (Alibaba Cloud Linux 3 : 0061: rust-toolset:rhel8 (ALINUX3-SA-2021:0061)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.52.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (236569). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Software Library

Name

• Standard Library

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34
• 1.35
• 1.36
• 1.37
• 1.38
• 1.39
• 1.40
• 1.41
• 1.42
• 1.43
• 1.44
• 1.45
• 1.46
• 1.47
• 1.48
• 1.49
• 1.50
• 1.51

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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