ALAS2-2023-1986

Amazon Linux 2 Security Advisory: ALAS-2023-1986
Advisory Release Date: 2023-03-02 22:36 Pacific
Advisory Updated Date: 2023-03-07 00:21 Pacific
Severity: Medium
Issue Overview:

A flaw was found in the Curl package, where the HSTS mechanism would be ignored by subsequent transfers when done on the same command line because the state would not be properly carried. This issue may result in limited confidentiality and integrity. (CVE-2023-23914)

A flaw was found in the Curl package, where the HSTS mechanism could fail when multiple transfers are done in parallel, as the HSTS cache file gets overwritten by the most recently completed transfer. This issue may result in limited confidentiality and integrity. (CVE-2023-23915)

curl: HTTP multi-header compression denial of service (CVE-2023-23916)


Affected Packages:

curl


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 curl to update your system.

New Packages:
aarch64:
    curl-7.88.0-1.amzn2.0.1.aarch64
    libcurl-7.88.0-1.amzn2.0.1.aarch64
    libcurl-devel-7.88.0-1.amzn2.0.1.aarch64
    curl-debuginfo-7.88.0-1.amzn2.0.1.aarch64

i686:
    curl-7.88.0-1.amzn2.0.1.i686
    libcurl-7.88.0-1.amzn2.0.1.i686
    libcurl-devel-7.88.0-1.amzn2.0.1.i686
    curl-debuginfo-7.88.0-1.amzn2.0.1.i686

src:
    curl-7.88.0-1.amzn2.0.1.src

x86_64:
    curl-7.88.0-1.amzn2.0.1.x86_64
    libcurl-7.88.0-1.amzn2.0.1.x86_64
    libcurl-devel-7.88.0-1.amzn2.0.1.x86_64
    curl-debuginfo-7.88.0-1.amzn2.0.1.x86_64

Additional References

Red Hat: CVE-2023-23914, CVE-2023-23915, CVE-2023-23916

Mitre: CVE-2023-23914, CVE-2023-23915, CVE-2023-23916