CVE-2018-20712 — Out-of-bounds Read in Binutils

CWE-125 — Out-of-bounds ReadCWE-476 — NULL Pointer Dereference8 documents7 sources
Severity
6.5MEDIUMNVD
EPSS
0.7%
top 28.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
GNU Binutils
Timeline
PublishedJan 15
Latest updateMay 13

Description

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, as demonstrated by c++filt.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages1 packages

▶NVDgnu/binutils2.31.1

🔴Vulnerability Details

3
GHSA
GHSA-cgr8-f44r-j4r5: A heap-based buffer over-read exists in the function d_expression_1 in cp-demangle↗2022-05-13
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CVEList
CVE-2018-20712: A heap-based buffer over-read exists in the function d_expression_1 in cp-demangle↗2019-01-15
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OSV
CVE-2018-20712: A heap-based buffer over-read exists in the function d_expression_1 in cp-demangle↗2019-01-15
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📋Vendor Advisories

2
Red Hat
libiberty: heap-based buffer over-read in d_expression_1↗2018-12-28
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Debian
CVE-2018-20712: binutils - A heap-based buffer over-read exists in the function d_expression_1 in cp-demang...↗2018
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💬Community

2
Bugzilla
CVE-2018-20712 binutils: libiberty: heap-based buffer over-read in d_expression_1 [fedora-all]↗2019-01-22
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Bugzilla
CVE-2018-20712 libiberty: heap-based buffer over-read in d_expression_1↗2019-01-22
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CVE-2018-20712 — Out-of-bounds Read in GNU Binutils | cvebase