CVE-2018-20657

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, has a memory leak via a crafted string, leading to a denial of service (memory consumption), as demonstrated by cxxfilt, a related issue to CVE-2018-12698.

References

http://www.securityfocus.com/bid/106444

https://access.redhat.com/errata/RHSA-2019:3352

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539

https://support.f5.com/csp/article/K62602089

Details

Source: MITRE

Published: 2019-01-02

Updated: 2019-11-06

Type: CWE-772

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH

Tenable Plugins

View all (10 total)

IDNameProductFamilySeverity
145633CentOS 8 : gdb (CESA-2019:3352)NessusCentOS Local Security Checks
high
140896EulerOS 2.0 SP3 : gcc (EulerOS-SA-2020-2129)NessusHuawei Local Security Checks
high
140888EulerOS 2.0 SP3 : gdb (EulerOS-SA-2020-2121)NessusHuawei Local Security Checks
high
137945EulerOS Virtualization 3.0.6.0 : gcc (EulerOS-SA-2020-1726)NessusHuawei Local Security Checks
high
136251EulerOS Virtualization for ARM 64 3.0.2.0 : binutils (EulerOS-SA-2020-1548)NessusHuawei Local Security Checks
high
135628EulerOS Virtualization 3.0.2.2 : binutils (EulerOS-SA-2020-1466)NessusHuawei Local Security Checks
critical
135150EulerOS Virtualization for ARM 64 3.0.6.0 : binutils (EulerOS-SA-2020-1363)NessusHuawei Local Security Checks
high
133976EulerOS 2.0 SP8 : binutils (EulerOS-SA-2020-1142)NessusHuawei Local Security Checks
high
133895EulerOS 2.0 SP5 : binutils (EulerOS-SA-2020-1094)NessusHuawei Local Security Checks
high
130530RHEL 8 : gdb (RHSA-2019:3352)NessusRed Hat Local Security Checks
high