Vulnerability · Published Apr 6, 2021 · Assigned by mitre

CVE-2021-27343

High 7.5

In plain English

A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).

Severity (CVSS NVD)7.5High

Exploit odds (30 days)1.7%top 23.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/SerenityOS/serenity/issues/5317 x_refsource_MISC
https://github.com/SerenityOS/serenity/pull/5344 x_refsource_MISC
https://github.com/SerenityOS/serenity/commit/48fbf6a88d4822a1e5470cf08f29464511bd72c1 x_refsource_MISC