Bug 1668269 (CVE-2018-20712) - CVE-2018-20712 libiberty: heap-based buffer over-read in d_expression_1
Summary: CVE-2018-20712 libiberty: heap-based buffer over-read in d_expression_1
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2018-20712
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: 1668270
Blocks: 1668272
TreeView+ depends on / blocked
 
Reported: 2019-01-22 10:40 UTC by Dhananjay Arunesh
Modified: 2020-05-20 21:18 UTC (History)
14 users (show)

Fixed In Version:
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Last Closed: 2020-05-20 21:18:53 UTC
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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
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