Bug 1383883 (CVE-2016-5285) - CVE-2016-5285 nss: Missing NULL check in PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime causes server crash
Summary: CVE-2016-5285 nss: Missing NULL check in PK11_SignWithSymKey / ssl3_ComputeRe...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2016-5285
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:
: 1374803 1380235 (view as bug list)
Depends On: 1383884 1383885 1383886 1383887 1383888 1395535 1429932 1429933
Blocks: 1374803 1377248 1380228
TreeView+ depends on / blocked
 
Reported: 2016-10-12 03:55 UTC by Huzaifa S. Sidhpurwala
Modified: 2021-02-17 03:12 UTC (History)
8 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A NULL pointer dereference flaw was found in the way NSS handled invalid Diffie-Hellman keys. A remote client could use this flaw to crash a TLS/SSL server using NSS.
Clone Of:
Environment:
Last Closed: 2016-11-16 06:16:37 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Mozilla Foundation 1306103 0 -- RESOLVED Missing NULL check in PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime causes server crash 2020-07-29 12:44:19 UTC
Red Hat Product Errata RHSA-2016:2779 0 normal SHIPPED_LIVE Moderate: nss and nss-util security update 2016-11-22 13:49:09 UTC

Description Huzaifa S. Sidhpurwala 2016-10-12 03:55:44 UTC 
A flaw was found in the way a NSS server could be crashed remotely by a client sending an invalid DH key.
Comment 2 Huzaifa S. Sidhpurwala 2016-11-14 03:39:09 UTC 
Upstream commit:

https://hg.mozilla.org/projects/nss/rev/45c047d18ac4
Comment 3 Huzaifa S. Sidhpurwala 2016-11-14 07:26:34 UTC 
*** Bug 1380235 has been marked as a duplicate of this bug. ***
Comment 5 errata-xmlrpc 2016-11-16 05:59:12 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7
  Red Hat Enterprise Linux 5

Via RHSA-2016:2779 https://rhn.redhat.com/errata/RHSA-2016-2779.html
Comment 6 Huzaifa S. Sidhpurwala 2016-11-16 06:16:00 UTC 
Created nss tracking bugs for this issue:

Affects: fedora-all [bug 1395535]
Comment 7 Hubert Kario 2016-11-30 15:56:22 UTC 
*** Bug 1374803 has been marked as a duplicate of this bug. ***
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