CVE-2021-27343 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Serenityos	Serenityos	-

Related Weaknesses (CWE)

CWE-120

References

https://github.com/SerenityOS/serenity/commit/48fbf6a88d4822a1e5470cf08f29464511PatchThird Party Advisory
https://github.com/SerenityOS/serenity/issues/5317Third Party Advisory
https://github.com/SerenityOS/serenity/pull/5344Third Party Advisory
https://github.com/SerenityOS/serenity/commit/48fbf6a88d4822a1e5470cf08f29464511PatchThird Party Advisory
https://github.com/SerenityOS/serenity/issues/5317Third Party Advisory
https://github.com/SerenityOS/serenity/pull/5344Third Party Advisory

FAQ

What is CVE-2021-27343?

CVE-2021-27343 is a vulnerability with a CVSS score of 7.5 (HIGH). 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_s...

How severe is CVE-2021-27343?

CVE-2021-27343 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-27343?

Check the references section above for vendor advisories and patch information. Affected products include: Serenityos Serenityos.