NULL Pointer Dereference Affecting nss-tools package, versions <0:3.28.4-3.el6_9
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.
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Start learning- Snyk IDSNYK-CENTOS6-NSSTOOLS-2143452
- published26 Jul 2021
- disclosed30 May 2017
Introduced: 30 May 2017
CVE-2017-7502 (opens in a new tab)How to fix?
Upgrade Centos:6 nss-tools to version 0:3.28.4-3.el6_9 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream nss-tools package and not the nss-tools package as distributed by Centos.
See How to fix? for Centos:6 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-2017:1364
- http://www.securitytracker.com/id/1038579
- https://bugzilla.redhat.com/show_bug.cgi?id=1446631