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Ubuntu 6381-1 Security Notice: Critical GNU Binutils Issues and Threats

ubuntu
Calendar Grey September 18, 2023
Dist Ubuntu Esm H88
Ubuntu 6381-2 security update addresses vulnerabilities in GNU coreutils, focusing on fixing potential data races and improper data handling.
Several security issues were fixed in GNU binutils.

Summary

Several security issues were fixed in GNU binutils.

Software Description:

- binutils: GNU assembler, linker and binary utilities

Details:

It was discovered that a memory leak existed in certain GNU binutils

modules. An attacker could possibly use this issue to cause a denial of

service (memory exhaustion). (CVE-2020-19724, CVE-2020-21490)

It was discovered that GNU binutils was not properly performing bounds

checks in several functions, which could lead to a buffer overflow. An

attacker could possibly use this issue to cause a denial of service,

expose sensitive information or execute arbitrary code.

(CVE-2020-19726, CVE-2021-46174, CVE-2022-45703)

It was discovered that GNU binutils was not properly initializing heap

memory when processing certain print instructions. An attacker could

possibly use this issue to expose sensitive information. (CVE-2020-35342)

It was discovered that GNU binutils was not properly handling the logic

behind certain memory ma...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow software update Ubuntu memory leak GNU binutils

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
binutils 2.30-21ubuntu1~18.04.9+esm1
binutils-multiarch 2.30-21ubuntu1~18.04.9+esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
binutils 2.26.1-1ubuntu1~16.04.8+esm7
binutils-multiarch 2.26.1-1ubuntu1~16.04.8+esm7

Ubuntu 14.04 LTS (Available with Ubuntu Pro):
binutils 2.24-5ubuntu14.2+esm3
binutils-multiarch 2.24-5ubuntu14.2+esm3

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6381-1

CVE-2020-19724, CVE-2020-19726, CVE-2020-21490, CVE-2020-35342,

CVE-2021-46174, CVE-2022-44840, CVE-2022-45703, CVE-2022-47695

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6381-1

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow software update Ubuntu memory leak GNU binutils

Package Information

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