Vulnerability Details : 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. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by c++filt.
Vulnerability category: Denial of service
Products affected by CVE-2018-20712
- cpe:2.3:a:gnu:binutils:2.31.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20712
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20712
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2018-20712
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20712
-
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88629
88629 – (CVE-2018-20712) Regression lead to Heap-buffer-overflow problem in function d_expression_1 in cp-demangle.c, as demonstrated by c++filtExploit;Issue Tracking;Third Party Advisory
-
http://www.securityfocus.com/bid/106563
GNU Binutils CVE-2018-20712 Heap Buffer Overflow VulnerabilityThird Party Advisory;VDB Entry
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https://sourceware.org/bugzilla/show_bug.cgi?id=24043
24043 – Heap-buffer-overflow problem in function d_expression_1 in cp-demangle.c, as demonstrated by c++filtExploit;Issue Tracking;Third Party Advisory
-
https://support.f5.com/csp/article/K38336243
Third Party Advisory
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