Medium severity · published Jan 15, 2019
CVE-2018-20712
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
6.5
CVSS
2.6%
EPSS
No
On KEV
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:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BI
Binutils · Gnu
2.31.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20712
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20712
Third Party Advisory
http://www.securityfocus.com/bid/106563
Exploit
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88629
Exploit
https://sourceware.org/bugzilla/show_bug.cgi?id=24043
Third Party Advisory
https://support.f5.com/csp/article/K38336243
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