ALAS2-2021-1673


Amazon Linux 2 Security Advisory: ALAS-2021-1673
Advisory Release Date: 2021-07-01 00:50 Pacific
Advisory Updated Date: 2021-07-01 20:29 Pacific
Severity: Important

Issue Overview:

A flaw was found in gupnp. DNS rebinding can occur when a victim's browser is used by a remote web server to trigger actions against local UPnP services including data exfiltration, data tempering, and other exploits. The highest threat from this vulnerability is to data confidentiality and integrity. (CVE-2021-33516)


Affected Packages:

gupnp


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 gupnp to update your system.

New Packages:
aarch64:
    gupnp-1.0.2-6.amzn2.aarch64
    gupnp-devel-1.0.2-6.amzn2.aarch64
    gupnp-debuginfo-1.0.2-6.amzn2.aarch64

i686:
    gupnp-1.0.2-6.amzn2.i686
    gupnp-devel-1.0.2-6.amzn2.i686
    gupnp-debuginfo-1.0.2-6.amzn2.i686

noarch:
    gupnp-docs-1.0.2-6.amzn2.noarch

src:
    gupnp-1.0.2-6.amzn2.src

x86_64:
    gupnp-1.0.2-6.amzn2.x86_64
    gupnp-devel-1.0.2-6.amzn2.x86_64
    gupnp-debuginfo-1.0.2-6.amzn2.x86_64