CVE-2018-20673 — MEDIUM (5.5)

Vulnerability Description

The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, contains an integer overflow vulnerability (for "Create an array for saving the template argument values") that can trigger a heap-based buffer overflow, as demonstrated by nm.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Gnu	Binutils	2.31.1

Related Weaknesses (CWE)

CWE-190 CWE-787

References

http://www.securityfocus.com/bid/106454Third Party AdvisoryVDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=24039ExploitIssue TrackingThird Party Advisory
http://www.securityfocus.com/bid/106454Third Party AdvisoryVDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=24039ExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2018-20673?

CVE-2018-20673 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, contains an integer overflow vulnerability (for "Create an array for saving the template argument...

How severe is CVE-2018-20673?

CVE-2018-20673 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-20673?

Check the references section above for vendor advisories and patch information. Affected products include: Gnu Binutils.