QID 352827

Date Published: 2021-09-15

QID 352827: Amazon Linux Security Advisory for golang: AL2012-2021-351

Package updates are available for amazon linux that fix the following vulnerabilities:
cve-2021-34558: 1983596: cve-2021-34558 golang: crypto/tls: certificate of wrong type is causing tls client to panic a flaw was found in golang.
A panic can be triggered by an attacker in a privileged network position without access to the server certificate's private key, as long as a trusted ecdsa or ed25519 certificate for the server exists (or can be issued), or the client is configured with config.
Insecureskipverify.
Clients that disable all tls_rsa cipher suites (that is, tls 1.0-1.2 cipher suites without ecdhe), as well as tls 1.3-only clients, are unaffected.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

CVSS V3 rated as High - 6.5 severity.

CVSS V2 rated as Low - 2.6 severity.

Solution

Administrators are advised to apply the appropriate software updates.

Vendor References

CVEs related to QID 352827

CVE-2021-34558 |

Software Advisories

Advisory ID	Software	Component	Link
AL2012-2021-351	Amazon Linux Bare Metal		docs.aws.amazon.com/AWSEC2/latest/UserGuide/install-updates.html

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