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Red Hat Enterprise 8.1 RHSA-2023:0599-01 Critical: Git RCE Exploit

red hat
Calendar Grey February 6, 2023
Dist Redhat Esm H88
New git version released for Red Hat Enterprise Linux addressing critical security vulnerabilities. Review the specifics regarding CVE entries.
An update for git is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

Git is a distributed revision control system with a decentralized architecture. As opposed to centralized version control systems with a client-server model, Git ensures that each working copy of a Git repository is an exact copy with complete revision history. This not only allows the user to work on and contribute to projects without the need to have permission to push the changes to their official repositories, but also makes it possible for the user to work with no network connection.
Security Fix(es):
* git: gitattributes parsing integer overflow (CVE-2022-23521)
* git: Heap overflow in `git archive`, `git log --format` leading to RCE (CVE-2022-41903)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat important heap overflow integer overflow git RCE

References

https://access.redhat.com/security/cve/CVE-2022-23521 https://access.redhat.com/security/cve/CVE-2022-41903 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream E4S (v. 8.1):
Source: git-2.18.4-2.el8_1.src.rpm
aarch64: git-2.18.4-2.el8_1.aarch64.rpm git-core-2.18.4-2.el8_1.aarch64.rpm git-core-debuginfo-2.18.4-2.el8_1.aarch64.rpm git-daemon-2.18.4-2.el8_1.aarch64.rpm git-daemon-debuginfo-2.18.4-2.el8_1.aarch64.rpm git-debuginfo-2.18.4-2.el8_1.aarch64.rpm git-debugsource-2.18.4-2.el8_1.aarch64.rpm git-instaweb-2.18.4-2.el8_1.aarch64.rpm git-subtree-2.18.4-2.el8_1.aarch64.rpm git-svn-2.18.4-2.el8_1.aarch64.rpm git-svn-debuginfo-2.18.4-2.el8_1.aarch64.rpm
noarch: git-all-2.18.4-2.el8_1.noarch.rpm git-core-doc-2.18.4-2.el8_1.noarch.rpm git-email-2.18.4-2.el8_1.noarch.rpm git-gui-2.18.4-2.el8_1.noarch.rpm gitk-2.18.4-2.el8_1.noarch.rpm gitweb-2.18.4-2.el8_1.noarch.rpm perl-Git-2.18.4-2.el8_1.noarch.rpm perl-Git-SVN-2.18.4-2.el8_1.noarch.rpm
ppc64le: git-2.18.4-2.el8_1.ppc64le.rpm git-core-2.18.4-2.el8_1.ppc64le.rpm git-core-debuginfo-2.18.4-2.el8_1.ppc64le.rpm git-daemon-2.18.4-2.el8_1.ppc64le.rpm git-daemon-debuginfo-2.18.4-2.el8_1.ppc64le.rpm git-debuginfo-2.18.4-2.el8_1.ppc64le.rpm git-debugsource-2.18.4-2.el8_1.ppc64le.rpm git-instaweb-2.18.4-2.el8_1.ppc64le.rpm git-subtree-2.18.4-2.el8_1.ppc64le.rpm git-svn-2.18.4-2.el8_1.ppc64le.rpm git-svn-debuginfo-2.18.4-2.el8_1.ppc64le.rpm
s390x:

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:0599-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0599
Issue date: 2023-02-06

Topic

An update for git is now available for Red Hat Enterprise Linux 8.1 UpdateServices for SAP Solutions.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat important heap overflow integer overflow git RCE

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.1) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2162055 - CVE-2022-23521 git: gitattributes parsing integer overflow

2162056 - CVE-2022-41903 git: Heap overflow in `git archive`, `git log --format` leading to RCE

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