Executive Summary

Informations
Name CVE-2018-20657 First vendor Publication 2019-01-02
Vendor Cve Last vendor Modification 2019-11-06

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20657

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-772 Missing Release of Resource after Effective Lifetime

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 3
Application 1

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/106444
CONFIRM https://support.f5.com/csp/article/K62602089
MISC https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539
REDHAT https://access.redhat.com/errata/RHSA-2019:3352

Alert History

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Date Informations
2022-06-14 01:37:42
  • Multiple Updates
2022-05-13 01:36:46
  • Multiple Updates
2021-05-04 13:14:30
  • Multiple Updates
2021-04-22 02:29:20
  • Multiple Updates
2020-05-23 01:12:45
  • Multiple Updates
2019-10-03 09:21:07
  • Multiple Updates
2019-03-29 00:19:15
  • Multiple Updates
2019-03-26 09:19:21
  • Multiple Updates
2019-01-31 21:19:34
  • Multiple Updates
2019-01-04 17:19:59
  • Multiple Updates
2019-01-02 17:19:07
  • First insertion