Bug 1473192 (CVE-2017-10790)

Summary: CVE-2017-10790 libtasn1: NULL pointer dereference in the _asn1_check_identifier function
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: bkearney, bmcclain, cbillett, dblechte, eedri, erik-fedora, jmatthew, klember, mgoldboi, michal.skrivanek, mike, mmccune, nmavrogi, ohadlevy, sherold, tjay, tmraz, tsanders, ykaul, ylavi
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2017-07-20 08:27:07 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1473194, 1473195, 1473196    
Bug Blocks:    

Description Andrej Nemec 2017-07-20 08:23:14 UTC
The _asn1_check_identifier function in GNU Libtasn1 causes a NULL pointer dereference and crash when reading crafted input that triggers assignment of a NULL value within an asn1_node structure. It may lead to a denial of service attack.

Product bug:


Comment 1 Andrej Nemec 2017-07-20 08:23:55 UTC
Created libtasn1 tracking bugs for this issue:

Affects: fedora-all [bug 1473195]

Created mingw-libtasn1 tracking bugs for this issue:

Affects: epel-7 [bug 1473196]
Affects: fedora-all [bug 1473194]