Alerts This Week
Warning Icon 1 764
Alerts This Week
Warning Icon 1 764

Red Hat: RHSA-2022-7811-01 Important: mingw-expat code execution risks

red hat
Calendar Grey November 8, 2022
Dist Redhat Esm H88
Red Hat announces critical security patch for mingw-expat, tackling possible code execution vulnerabilities and integer overflow issues.
An update for mingw-expat is now available for Red Hat Enterprise Linux 8

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

Expat is a C library for parsing XML documents. The mingw-expat packages provide a port of the Expat library for MinGW.
The following packages have been upgraded to a later upstream version: mingw-expat (2.4.8). (BZ#2057023, BZ#2057037, BZ#2057127)
Security Fix(es):
* expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)
* expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)
* expat: Integer overflow in storeRawNames() (CVE-2022-25315)
* expat: Stack exhaustion in doctype parsing (CVE-2022-25313)
* expat: Integer overflow in copyString() (CVE-2022-25314)
* expat: Integer overflow in the doProlog function (CVE-2022-23990)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.7 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory code execution integer overflow Red Hat Enterprise mingw-expat malformed sequences

References

https://access.redhat.com/security/cve/CVE-2022-23990 https://access.redhat.com/security/cve/CVE-2022-25235 https://access.redhat.com/security/cve/CVE-2022-25236 https://access.redhat.com/security/cve/CVE-2022-25313 https://access.redhat.com/security/cve/CVE-2022-25314 https://access.redhat.com/security/cve/CVE-2022-25315 https://access.redhat.com/security/updates/classification#important https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.7_release_notes/index

Package List

Red Hat CodeReady Linux Builder (v. 8):
Source: mingw-expat-2.4.8-1.el8.src.rpm
noarch: mingw32-expat-2.4.8-1.el8.noarch.rpm mingw32-expat-debuginfo-2.4.8-1.el8.noarch.rpm mingw64-expat-2.4.8-1.el8.noarch.rpm mingw64-expat-debuginfo-2.4.8-1.el8.noarch.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:7811-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:7811
Issue date: 2022-11-08

Topic

An update for mingw-expat is now available for Red Hat Enterprise Linux 8.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 code execution integer overflow Red Hat Enterprise mingw-expat malformed sequences

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - noarch

Bugs Fixed

2048356 - CVE-2022-23990 expat: integer overflow in the doProlog function

2056350 - CVE-2022-25313 expat: Stack exhaustion in doctype parsing

2056354 - CVE-2022-25314 expat: Integer overflow in copyString()

2056363 - CVE-2022-25315 expat: Integer overflow in storeRawNames()

2056366 - CVE-2022-25235 expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution

2056370 - CVE-2022-25236 expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here