CVE-2021-27343

Description

SerenityOS Unspecified is affected by: Buffer Overflow. The impact is: obtain sensitive information (context-dependent). The component is: /Userland/Libraries/LibCrypto/ASN1/DER.h Crypto::der_decode_sequence() function. The attack vector is: Parsing RSA Key ASN.1.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.50%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/SerenityOS/serenity/issues/5317 third party advisory
https://github.com/SerenityOS/serenity/pull/5344 third party advisory
https://github.com/SerenityOS/serenity/commit/48fbf6a88d4822a1e5470cf08f29464511bd72c1 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-27343?
CVE-2021-27343 has been scored as a high severity vulnerability.
How to fix CVE-2021-27343?
To fix CVE-2021-27343, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27343 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27343 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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