ALAS2-2021-1676

Amazon Linux 2 Security Advisory: ALAS-2021-1676
Advisory Release Date: 2021-07-01 01:01 Pacific
Advisory Updated Date: 2021-07-01 20:27 Pacific
Severity: Important
Issue Overview:

A flaw was found in libwebp. A heap-based buffer overflow was found in PutLE16(). The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2018-25011)

A flaw was found in libwebp in versions before 1.0.1. A heap-based buffer overflow in function WebPDecodeRGBInto is possible due to an invalid check for buffer size. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-36328)

A flaw was found in libwebp. A use-after-free was found due to a thread being killed too early. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-36329)


Affected Packages:

libwebp


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 libwebp to update your system.

New Packages:
aarch64:
    libwebp-0.3.0-10.amzn2.aarch64
    libwebp-tools-0.3.0-10.amzn2.aarch64
    libwebp-devel-0.3.0-10.amzn2.aarch64
    libwebp-java-0.3.0-10.amzn2.aarch64
    libwebp-debuginfo-0.3.0-10.amzn2.aarch64

i686:
    libwebp-0.3.0-10.amzn2.i686
    libwebp-tools-0.3.0-10.amzn2.i686
    libwebp-devel-0.3.0-10.amzn2.i686
    libwebp-java-0.3.0-10.amzn2.i686
    libwebp-debuginfo-0.3.0-10.amzn2.i686

src:
    libwebp-0.3.0-10.amzn2.src

x86_64:
    libwebp-0.3.0-10.amzn2.x86_64
    libwebp-tools-0.3.0-10.amzn2.x86_64
    libwebp-devel-0.3.0-10.amzn2.x86_64
    libwebp-java-0.3.0-10.amzn2.x86_64
    libwebp-debuginfo-0.3.0-10.amzn2.x86_64

Additional References

Red Hat: CVE-2018-25011, CVE-2020-36328, CVE-2020-36329

Mitre: CVE-2018-25011, CVE-2020-36328, CVE-2020-36329