Bug 1668269 (CVE-2018-20712)

Summary: CVE-2018-20712 libiberty: heap-based buffer over-read in d_expression_1
Product: [Other] Security Response Reporter: Dhananjay Arunesh <darunesh>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: fweimer, gdb-bugs, jakub, jan.kratochvil, kanderso, keiths, law, mcermak, mnewsome, mpetlan, mpolacek, nickc, ohudlick, palves
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Last Closed: 2020-05-20 21:18:53 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 1668270    
Bug Blocks: 1668272    

Description Dhananjay Arunesh 2019-01-22 10:40:34 UTC 
A heap-based buffer over-read exists in the function d_expression_1 in
cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31.1. A crafted
input can cause segmentation faults, leading to denial-of-service.

Upstream Issue:
https://sourceware.org/bugzilla/show_bug.cgi?id=24043
Comment 1 Dhananjay Arunesh 2019-01-22 10:40:50 UTC 
Created binutils tracking bugs for this issue:

Affects: fedora-all [bug 1668270]
Comment 2 Riccardo Schirone 2019-01-23 09:45:27 UTC 
The flaw was introduced in binutils through commit af03af8f55f2536b6e20928e6b1fa0324a5f3d6e.
Comment 3 Product Security DevOps Team 2020-05-20 21:18:53 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-2018-20712