National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-20671 Detail

Current Description

load_specific_debug_section in objdump.c in GNU Binutils through 2.31.1 contains an integer overflow vulnerability that can trigger a heap-based buffer overflow via a crafted section size.

Source:  MITRE
Description Last Modified:  01/04/2019
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/106457 Third Party Advisory VDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=24005 Exploit Issue Tracking Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=11fa9f134fd658075c6f74499c780df045d9e9ca Mailing List Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Integer Overflow or Wraparound (CWE-190)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*    versions up to (including) 2.31.1

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-20671
NVD Published Date:
01/04/2019
NVD Last Modified:
01/14/2019