Memory leak in Network Security Services for Java - CVE-2021-4213

Vulnerability identifier: #VU86348

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-4213

CWE-ID: CWE-401

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak. A remote attacker can force the application to leak memory and perform denial of service attack.

Network Security Services for Java
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Anolis OS
openEuler
jss
jss-javadoc
jss-debuginfo
jss-debugsource
jss-help
ldapjdk
ldapjdk-javadoc
tomcatjss
pki-tools
pki-symkey
pki-acme
pki-base
pki-base-java
pki-ca
pki-kra
pki-server
python3-pki
Red Hat Certificate System

Install updates from vendor's website.

Network Security Services for Java - addressed in versions 4.9.3, 5.1.0
jss - update to 4.9.3-1
jss-javadoc - update to 4.9.3-1
jss - update to 4.9.3-1
jss-debuginfo - update to 4.9.3-1
jss-debugsource - update to 4.9.3-1
jss-help - update to 4.9.3-1
ldapjdk - update to 4.23.0-1
ldapjdk-javadoc - update to 4.23.0-1
tomcatjss - update to 7.7.1-1
Red Hat Certificate System - update to 10.4
pki-tools - update to 10.12.0-2
pki-symkey - update to 10.12.0-2
pki-acme - update to 10.12.0-2
pki-base - update to 10.12.0-2
pki-base-java - update to 10.12.0-2
pki-ca - update to 10.12.0-2
pki-kra - update to 10.12.0-2
pki-server - update to 10.12.0-2
python3-pki - update to 10.12.0-2

• https://github.com/dogtagpki/jss/commit/5922560a78d0dee61af8a33cc9cfbf4cfa291448
• https://security-tracker.debian.org/tracker/CVE-2021-4213
• https://access.redhat.com/security/cve/CVE-2021-4213
• https://github.com/dogtagpki/jss/commit/3aabe0e9d59b0a42e68ac8cd0468f9c5179967d2
• https://bugzilla.redhat.com/show_bug.cgi?id=2042900

• Memory leak in Network Security Services for Java (JSS)
• Denial of service in Red Hat Certificate System (RHCS)
• openEuler 22.03 LTS update for jss
• openEuler 20.03 LTS SP1 update for jss
• openEuler 20.03 LTS SP4 update for jss
• Red Hat Enterprise Linux 8 update for the pki-core:10.6 module
• Anolis OS update for pki-core:10.6 module