ALAS2-2022-1809

Amazon Linux 2 Security Advisory: ALAS-2022-1809
Advisory Release Date: 2022-07-06 03:09 Pacific
Advisory Updated Date: 2022-07-14 21:51 Pacific
Severity: Medium
Issue Overview:

In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize. (CVE-2021-46143)

addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22822)

build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22823)

defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22824)

lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22825)

nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22826)

storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22827)


Affected Packages:

expat


Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update expat to update your system.

New Packages:
aarch64:
    expat-2.1.0-14.amzn2.0.1.aarch64
    expat-devel-2.1.0-14.amzn2.0.1.aarch64
    expat-static-2.1.0-14.amzn2.0.1.aarch64
    expat-debuginfo-2.1.0-14.amzn2.0.1.aarch64

i686:
    expat-2.1.0-14.amzn2.0.1.i686
    expat-devel-2.1.0-14.amzn2.0.1.i686
    expat-static-2.1.0-14.amzn2.0.1.i686
    expat-debuginfo-2.1.0-14.amzn2.0.1.i686

src:
    expat-2.1.0-14.amzn2.0.1.src

x86_64:
    expat-2.1.0-14.amzn2.0.1.x86_64
    expat-devel-2.1.0-14.amzn2.0.1.x86_64
    expat-static-2.1.0-14.amzn2.0.1.x86_64
    expat-debuginfo-2.1.0-14.amzn2.0.1.x86_64

Additional References

Red Hat: CVE-2021-46143, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825, CVE-2022-22826, CVE-2022-22827

Mitre: CVE-2021-46143, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825, CVE-2022-22826, CVE-2022-22827