GSA_kwCzR0hTQS05djloLWNnajgtaDY0cM4AA44M

Moderate EPSS: 0.00214% (0.44081 Percentile) EPSS:

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Null pointer dereference in PKCS12 parsing

Affected Packages	Affected Versions	Fixed Versions
pypi:cryptography PURL: `pkg:pypi/cryptography`	< 42.0.2	42.0.2
3,396 Dependent packages 131,580 Dependent repositories 434,680,722 Downloads last month Affected Version Ranges All affected versions 0.2.1, 0.2.2, 0.5.1, 0.5.2, 0.5.3, 0.5.4, 0.6.1, 0.7.1, 0.7.2, 0.8.1, 0.8.2, 0.9.1, 0.9.2, 0.9.3, 1.0.1, 1.0.2, 1.1.1, 1.1.2, 1.2.1, 1.2.2, 1.2.3, 1.3.1, 1.3.2, 1.3.3, 1.3.4, 1.5.1, 1.5.2, 1.5.3, 1.7.1, 1.7.2, 1.8.1, 1.8.2, 2.0.1, 2.0.2, 2.0.3, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.2.1, 2.2.2, 2.3.1, 2.4.1, 2.4.2, 2.6.1, 2.9.1, 2.9.2, 3.1.1, 3.2.1, 3.3.1, 3.3.2, 3.4.1, 3.4.2, 3.4.3, 3.4.4, 3.4.5, 3.4.6, 3.4.7, 3.4.8, 35.0.0, 36.0.0, 36.0.1, 36.0.2, 37.0.0, 37.0.1, 37.0.2, 37.0.3, 37.0.4, 38.0.0, 38.0.1, 38.0.2, 38.0.3, 38.0.4, 39.0.0, 39.0.1, 39.0.2, 40.0.0, 40.0.1, 40.0.2, 41.0.0, 41.0.1, 41.0.2, 41.0.3, 41.0.4, 41.0.5, 41.0.6, 41.0.7, 42.0.0, 42.0.1 All unaffected versions 42.0.2, 42.0.3, 42.0.4, 42.0.5, 42.0.6, 42.0.7, 42.0.8, 43.0.0, 43.0.1, 43.0.3, 44.0.0, 44.0.1, 44.0.2, 44.0.3, 45.0.0, 45.0.1, 45.0.2, 45.0.3, 45.0.4, 45.0.5, 45.0.6, 45.0.7

Issue summary: Processing a maliciously formatted PKCS12 file may lead OpenSSL
to crash leading to a potential Denial of Service attack

Impact summary: Applications loading files in the PKCS12 format from untrusted
sources might terminate abruptly.

A file in PKCS12 format can contain certificates and keys and may come from an
untrusted source. The PKCS12 specification allows certain fields to be NULL, but
OpenSSL does not correctly check for this case. This can lead to a NULL pointer
dereference that results in OpenSSL crashing. If an application processes PKCS12
files from an untrusted source using the OpenSSL APIs then that application will
be vulnerable to this issue.

OpenSSL APIs that are vulnerable to this are: PKCS12_parse(),
PKCS12_unpack_p7data(), PKCS12_unpack_p7encdata(), PKCS12_unpack_authsafes()
and PKCS12_newpass().

We have also fixed a similar issue in SMIME_write_PKCS7(). However since this
function is related to writing data we do not consider it security significant.

The FIPS modules in 3.2, 3.1 and 3.0 are not affected by this issue.

References:

Identifiers

GHSA-9v9h-cgj8-h64p

CVE-2024-0727

Risk

Severity

Moderate

EPSS

EPSS Percentage: 0.00214

EPSS Percentile: 0.44081

Classification

General

Source

GitHub Advisory Database

Origin

Unspecified

Repository

https://github.com/openssl/openssl

Date and time

Published

over 1 year ago

Updated

11 months ago

API

JSON

ecosyste.ms

Data

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