Use After Free Affecting openssl-src package, versions >=110.0.0 <111.25.0>=300.0.0 <300.0.12


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.69% (81st percentile)

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  • Snyk IDSNYK-RUST-OPENSSLSRC-3315325
  • published8 Feb 2023
  • disclosed7 Feb 2023
  • creditOctavio Galland, Marcel Böhme

Introduced: 7 Feb 2023

CVE-2023-0215  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade openssl-src to version 111.25.0, 300.0.12 or higher.

Overview

openssl-src is a crate that contains the logic to build OpenSSL and is intended to be consumed by the openssl-sys crate.

Affected versions of this package are vulnerable to Use After Free in the BIO_new_NDEF() function. A new filter BIO can be freed, with the function returning a NULL result indicating a failure. But the BIO passed by the caller still holds pointers to the previously freed filter BIO. This could allow an attacker to cause a crash.

CVSS Scores

version 3.1