Release of Invalid Pointer or Reference Affecting exim/exim package, versions [,4.96)


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
0.45% (75th percentile)

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  • Snyk IDSNYK-UNMANAGED-EXIMEXIM-2976191
  • published7 Aug 2022
  • disclosed7 Aug 2022
  • creditEvgeny Legerov

Introduced: 7 Aug 2022

CVE-2022-37451  (opens in a new tab)
CWE-763  (opens in a new tab)

How to fix?

Upgrade exim/exim to version 4.96 or higher.

Overview

Affected versions of this package are vulnerable to Release of Invalid Pointer or Reference via the pam_converse function in auths/call_pam.c, due to store_free not being used after store_malloc.

CVSS Scores

version 3.1