QID 354784

Date Published: 2023-02-28

QID 354784: Amazon Linux Security Advisory for thunderbird : ALAS2-2023-1945

The mozilla foundation security advisory describes this flaw as: due to confusion about valuetags on javascript objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash. (
( CVE-2020-12417) the mozilla foundation security advisory describes this flaw as: manipulating individual parts of a url object could have caused an out-of-bounds read, leaking process memory to malicious javascript. (
( CVE-2020-12418) the mozilla foundation security advisory describes this flaw as: when processing callbacks that occurred during window flushing in the parent process, the associated window may die; causing a use-after-free condition.
This could have led to memory corruption and a potentially exploitable crash. (
( CVE-2020-12419) the mozilla foundation security advisory describes this flaw as: when trying to connect to a stun server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. (
( CVE-2020-12420) the mozilla foundation security advisory describes this flaw as: when performing add-on updates, certificate chains terminating in non-built-in-roots were rejected (even if they were legitimately added by an administrator.)
This could have caused add-ons to become out-of-date silently without notification to the user. (
( CVE-2020-12421)

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.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

CVSS V3 rated as Critical - 8.8 severity.

CVSS V2 rated as Critical - 9.3 severity.

Solution

Please refer to Amazon advisory: ALAS2-2023-1945 for affected packages and patching details, or update with your package manager.

Vendor References

ALAS2-2023-1945 - alas.aws.amazon.com/AL2/ALAS-2023-1945.html

CVEs related to QID 354784

CVE-2020-12419 | CVE-2020-12418 | CVE-2020-12420 | CVE-2020-12421 | CVE-2020-12417 |

Software Advisories

Advisory ID	Software	Component	Link
ALAS2-2023-1945	amazon linux 2		alas.aws.amazon.com/AL2/ALAS-2023-1945.html

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