Bug 1432954 (CVE-2017-6437)

Summary: CVE-2017-6437 libplist: Out-of-bounds heap read in base64encode function
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: bnocera, cfergeau, dkholia, slawomir
Target Milestone: ---Keywords: Reopened, Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
An out-of-bounds read flaw was found in libplist. A specially crafted plist file could be used by an attacker to crash the application using libplist.
Story Points: ---
Clone Of: Environment:
Last Closed: 2017-05-17 07:14:05 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: 1432971, 1449973    
Bug Blocks: 1432966    

Description Adam Mariš 2017-03-16 13:07:32 UTC
The base64encode function in base64.c in libimobiledevice libplist 1.12 allows local users to cause a denial of service (out-of-bounds read) via a crafted plist file.

Upstream bug:

https://github.com/libimobiledevice/libplist/issues/100

Comment 1 Adam Mariš 2017-03-16 13:28:01 UTC
Created libplist tracking bugs for this issue:

Affects: fedora-all [bug 1432971]