CVE-2019-2821
First published: Tue Jul 16 2019(Updated: )
A flaw was found in the way the JSSE component of OpenJDK handled certificate status / OCSP stapling message during TLS handshake. A remote attacker could possibly use this flaw to gain access to certain sensitive information by manipulating TLS handshake messages.
Credit: secalert_us@oracle.com secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oracle JDK | =11.0.3 | |
| Oracle JDK | =12.0.1 | |
| Oracle JRE | =11.0.3 | |
| Oracle JRE | =12.0.1 | |
| debian/openjdk-11 | 11.0.24+8-2~deb11u1 11.0.25+9-1~deb11u1 11.0.26~6ea-1 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00038.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- https://usn.ubuntu.com/4083-1/
- https://launchpad.net/bugs/cve/CVE-2019-2821
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html#AppendixJAVA
- https://access.redhat.com/errata/RHSA-2019:1817
- https://access.redhat.com/errata/RHSA-2019:1810
- http://hg.openjdk.java.net/jdk-updates/jdk11u/rev/6a4d57474e1c
- https://bugzilla.redhat.com/show_bug.cgi?id=1730251
- https://security-tracker.debian.org/tracker/CVE-2019-2821
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2821
- https://nvd.nist.gov/vuln/detail/CVE-2019-2821
- https://ubuntu.com/security/CVE-2019-2821
Frequently Asked Questions
What is the severity of CVE-2019-2821?
The severity of CVE-2019-2821 is medium.
How can an unauthenticated attacker exploit CVE-2019-2821?
An unauthenticated attacker with network access via TLS can compromise Java SE.
Which versions of Java SE are affected by CVE-2019-2821?
Java SE versions 11.0.3 and 12.0.1 are affected by CVE-2019-2821.
How can I fix CVE-2019-2821 in Debian?
To fix CVE-2019-2821 in Debian, update to openjdk-11 version 11.0.16+8-1~deb10u1 or newer.
Where can I find more information about CVE-2019-2821?
You can find more information about CVE-2019-2821 from the following sources: - Oracle Security Advisory: http://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html - Ubuntu Security Notice: https://usn.ubuntu.com/4083-1/ - openSUSE Security Announcement: http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00038.html
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