CVE-2019-1549: Fork Protection
First published: Tue Sep 10 2019(Updated: )
Last updated 24 July 2024
Credit: openssl-security@openssl.org openssl-security@openssl.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/jbcs-httpd24-apr | <0:1.6.3-86.jbcs.el6 | 0:1.6.3-86.jbcs.el6 |
| redhat/jbcs-httpd24-brotli | <0:1.0.6-21.jbcs.el6 | 0:1.0.6-21.jbcs.el6 |
| redhat/jbcs-httpd24-httpd | <0:2.4.37-52.jbcs.el6 | 0:2.4.37-52.jbcs.el6 |
| redhat/jbcs-httpd24-openssl | <1:1.1.1c-16.jbcs.el6 | 1:1.1.1c-16.jbcs.el6 |
| redhat/jbcs-httpd24-apr | <0:1.6.3-86.jbcs.el7 | 0:1.6.3-86.jbcs.el7 |
| redhat/jbcs-httpd24-brotli | <0:1.0.6-21.jbcs.el7 | 0:1.0.6-21.jbcs.el7 |
| redhat/jbcs-httpd24-httpd | <0:2.4.37-52.jbcs.el7 | 0:2.4.37-52.jbcs.el7 |
| redhat/jbcs-httpd24-openssl | <1:1.1.1c-16.jbcs.el7 | 1:1.1.1c-16.jbcs.el7 |
| redhat/openssl | <1:1.1.1c-15.el8 | 1:1.1.1c-15.el8 |
| debian/openssl | 1.1.1w-0+deb11u1 1.1.1w-0+deb11u2 3.0.15-1~deb12u1 3.0.14-1~deb12u2 3.4.0-2 | |
| OpenSSL libcrypto | >=1.1.1<=1.1.1c |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2019-1549 https://nvd.nist.gov/vuln/detail/CVE-2019-1549
- https://bugzilla.redhat.com/show_bug.cgi?id=1752095
- https://access.redhat.com/errata/RHSA-2020:1337
- https://access.redhat.com/errata/RHSA-2020:1840
- https://access.redhat.com/errata/RHSA-2020:1336
- https://access.redhat.com/security/cve/cve-2019-1549
- https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=1b0fe00e2704b5e20334a16d3c9099d1ba2ef1be
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GY6SNRJP2S7Y42GIIDO3HXPNMDYN2U3A/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZN4VVQJ3JDCHGIHV4Y2YTXBYQZ6PWQ7E/
- https://seclists.org/bugtraq/2019/Oct/1
- https://security.netapp.com/advisory/ntap-20190919-0002/
- https://support.f5.com/csp/article/K44070243
- https://support.f5.com/csp/article/K44070243?utm_source=f5support&utm_medium=RSS
- https://usn.ubuntu.com/4376-1/
- https://www.debian.org/security/2019/dsa-4539
- https://www.openssl.org/news/secadv/20190910.txt
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://support.f5.com/csp/article/K44070243?utm_source=f5support&amp;utm_medium=RSS
- https://launchpad.net/bugs/cve/CVE-2019-1549
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1752096
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1752098
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1752097
- https://www.openssl.org/news/cl111.txt
- https://access.redhat.com/support/policy/updates/jboss_notes
- https://access.redhat.com/security/cve/CVE-2019-1547
- https://access.redhat.com/security/cve/CVE-2019-1549
- https://access.redhat.com/security/cve/CVE-2019-1551
- https://access.redhat.com/security/cve/CVE-2019-1563
- https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=1b0fe00e2704b5e20334a16d3c9099d1ba2ef1be
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GY6SNRJP2S7Y42GIIDO3HXPNMDYN2U3A/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZN4VVQJ3JDCHGIHV4Y2YTXBYQZ6PWQ7E/
- https://support.f5.com/csp/article/K44070243?utm_source=f5support&%3Butm_medium=RSS
- https://security-tracker.debian.org/tracker/CVE-2019-1549
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1549
- https://nvd.nist.gov/vuln/detail/CVE-2019-1549
- https://ubuntu.com/security/CVE-2019-1549
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is CVE-2019-1549?
CVE-2019-1549 is a vulnerability in OpenSSL 1.1.1 that affects the random number generator (RNG).
What is the severity of CVE-2019-1549?
CVE-2019-1549 has a severity rating of 5.3, which is considered medium.
How does CVE-2019-1549 affect OpenSSL?
CVE-2019-1549 affects OpenSSL 1.1.1 by enabling the parent and child processes to share the same RNG state during a fork() system call, which poses a security risk.
What is the remediation for CVE-2019-1549?
To remediate CVE-2019-1549, update OpenSSL to version 1.1.1c or higher.
Where can I find more information about CVE-2019-1549?
You can find more information about CVE-2019-1549 in the OpenSSL security advisory and related references.
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