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CVE-2024-0727

Published: 26 January 2024

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.


NOTES

AuthorNote

Priority reason:
Upstream OpenSSL developers have rated this to be a low severity issue


PRIORITY

Low


CVSS 3 SEVERITY SCORE

5.5

Score breakdown


STATUS

Package Release Status edk2
Launchpad, Ubuntu, Debian bionic Needs triage


focal Needed


jammy Needed


lunar Ignored

(end of life, was needs-triage)
mantic Needed


noble Needed


trusty Ignored

(end of standard support)
upstream Needs triage


xenial Needs triage


nodejs
Launchpad, Ubuntu, Debian bionic Needs triage


focal Not vulnerable

(uses system openssl)
jammy Needed


lunar Not vulnerable

(uses system openssl)
mantic Not vulnerable

(uses system openssl)
noble Not vulnerable

(uses system openssl)
trusty Not vulnerable

(uses system openssl)
upstream Needs triage


xenial Needs triage


openssl
Launchpad, Ubuntu, Debian bionic

Released (1.1.1-1ubuntu2.1~18.04.23+esm4)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) focal

Released (1.1.1f-1ubuntu2.21)
jammy

Released (3.0.2-0ubuntu1.14)
lunar Ignored

(end of life, was needs-triage)
mantic

Released (3.0.10-1ubuntu2.2)
noble

Released (3.0.10-1ubuntu4)
trusty Needs triage


upstream

Released (3.0.13)
xenial

Released (1.0.2g-1ubuntu4.20+esm11)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) Patches:
upstream:
https://git.openssl.org/?p=openssl.git;a=commit;h=09df4395b5071217b76dc7d3d2e630eb8c5a79c2
openssl1.0
Launchpad, Ubuntu, Debian bionic

Released (1.0.2n-1ubuntu5.13+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) focal Does not exist


jammy Does not exist


lunar Does not exist


mantic Does not exist


noble Does not exist


trusty Does not exist


upstream Needed


xenial Does not exist




SEVERITY SCORE BREAKDOWN

Parameter Value Base score 5.5 Attack vector Local Attack complexity Low
Privileges required None User interaction Required Scope Unchanged
Confidentiality None Integrity impact None Availability impact High Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H


REFERENCES

 * https://www.openssl.org/news/secadv/20240125.txt
 * https://ubuntu.com/security/notices/USN-6622-1
 * https://ubuntu.com/security/notices/USN-6632-1
 * https://ubuntu.com/security/notices/USN-6709-1
 * https://www.cve.org/CVERecord?id=CVE-2024-0727
 * NVD
 * Launchpad
 * Debian


JOIN THE DISCUSSION

 * Ubuntu security updates mailing list
 * Security announcements mailing list


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FURTHER READING

 * An overview of machine learning security risks
 * What’s new in security for Ubuntu 24.04 LTS?
 * Canonical at America Digital Congress in Chile
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 * Ubuntu Explained: How to ensure security and stability in cloud
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