Bug 1671310 (CVE-2018-18508) - CVE-2018-18508 nss: NULL pointer dereference in several CMS functions resulting in a denial of service
Summary: CVE-2018-18508 nss: NULL pointer dereference in several CMS functions resulti...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-18508
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1671311 1673244 1673245 1673246 1725111
Blocks: 1671312
TreeView+ depends on / blocked
 
Reported: 2019-01-31 11:06 UTC by Andrej Nemec
Modified: 2021-02-16 22:25 UTC (History)
12 users (show)

Fixed In Version: nss 3.41.1
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Clone Of:
Environment:
Last Closed: 2019-07-31 01:18:20 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2019:1951 0 None None None 2019-07-30 19:49:54 UTC

Description Andrej Nemec 2019-01-31 11:06:07 UTC 
A NULL pointer dereference issue was found in several CMS function. A specially crafted data could possibly crash nss.

External References:

https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes
Comment 1 Andrej Nemec 2019-01-31 11:06:16 UTC 
Created nss tracking bugs for this issue:

Affects: fedora-all [bug 1671311]
Comment 3 Huzaifa S. Sidhpurwala 2019-02-07 05:42:28 UTC 
Upstream patch:

https://hg.mozilla.org/projects/nss/rev/08d1b0c1117f
https://hg.mozilla.org/projects/nss/rev/5e70b72131ac
Comment 5 errata-xmlrpc 2019-07-30 19:49:53 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2019:1951 https://access.redhat.com/errata/RHSA-2019:1951
Comment 6 Product Security DevOps Team 2019-07-31 01:18:20 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-18508
Comment 7 Huzaifa S. Sidhpurwala 2020-02-05 09:50:16 UTC 
Mitigation:

This issue only affects applications compiled against NSS which use CMS (Cryptographic Message Syntax) API. Other applications are not affected.
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