NULL Pointer Dereference Affecting nss-sysinit package, versions <0:3.28.4-1.2.el7_3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about NULL Pointer Dereference vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-CENTOS7-NSSSYSINIT-2082336
- published26 Jul 2021
- disclosed30 May 2017
Introduced: 30 May 2017
CVE-2017-7502 (opens in a new tab)How to fix?
Upgrade Centos:7 nss-sysinit to version 0:3.28.4-1.2.el7_3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream nss-sysinit package and not the nss-sysinit package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
Null pointer dereference vulnerability in NSS since 3.24.0 was found when server receives empty SSLv2 messages resulting into denial of service by remote attacker.
References
- http://www.securityfocus.com/bid/98744
- https://hg.mozilla.org/projects/nss/rev/55ea60effd0d
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- https://access.redhat.com/security/cve/CVE-2017-7502
- http://www.debian.org/security/2017/dsa-3872
- https://access.redhat.com/errata/RHSA-2017:1365
- http://www.securitytracker.com/id/1038579
- https://bugzilla.redhat.com/show_bug.cgi?id=1446631