CVE-2018-20712 — MEDIUM (6.5)

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

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-125

References

http://www.securityfocus.com/bid/106563Third Party AdvisoryVDB Entry
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88629ExploitIssue TrackingThird Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=24043ExploitIssue TrackingThird Party Advisory
https://support.f5.com/csp/article/K38336243Third Party Advisory
http://www.securityfocus.com/bid/106563Third Party AdvisoryVDB Entry
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88629ExploitIssue TrackingThird Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=24043ExploitIssue TrackingThird Party Advisory
https://support.f5.com/csp/article/K38336243Third Party Advisory

FAQ

What is CVE-2018-20712?

CVE-2018-20712 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 ...

How severe is CVE-2018-20712?

CVE-2018-20712 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-20712?

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