PT-2021-23465 · Unknown+4 · Strongswan+4

Published 2021-10-18 · Updated 2024-06-15 · CVE-2021-41990

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions strongSwan versions prior to 5.9.4

Description The issue is related to a remote integer overflow in the gmp plugin via a crafted certificate with an RSASSA-PSS signature. This can be triggered by an unrelated self-signed CA certificate sent by an initiator. It is noted that remote code execution cannot occur.

Recommendations For versions prior to 5.9.4, update to version 5.9.4 or later to resolve the issue. As a temporary workaround, consider restricting the use of the gmp plugin until a patch is available.

Fix

RCE

DoS

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ALT-PU-2021-3101

ALT-PU-2022-2456

ALT-PU-2024-7917

AZL-6896

CVE-2021-41990

DSA-4989-1

OESA-2021-1408

OPENSUSE-SU-2021:1399-1

OPENSUSE-SU-2021:3467-1

OPENSUSE-SU-2021_1399-1

OPENSUSE-SU-2021_3467-1

OPENSUSE-SU-2024:11655-1

ROSA-SA-2023-2274

SUSE-SU-2021:3467-1

SUSE-SU-2021:3469-1

USN-5111-1

Affected Products

Alt Linux

Linuxmint

Suse

Ubuntu

Strongswan

References · 41

• https://osv.dev/vulnerability/DEBIAN-CVE-2021-41990 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-41990 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-41990 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-41990 · Security Note
• https://osv.dev/vulnerability/DSA-4989-1 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/670670 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-41991 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FJSATD2R2XHTG4P63GCMQ2N7EWKMME5 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:3467-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:3469-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2021-41990 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-41990 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:3467-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5111-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-41991 · Vendor Advisory