CVE-2018-18700 — MEDIUM (5.5)

Vulnerability Description

An issue was discovered in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31. There is a stack consumption vulnerability resulting from infinite recursion in the functions d_name(), d_encoding(), and d_local_name() in cp-demangle.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via an ELF file, 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

Related Weaknesses (CWE)

CWE-835

References

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87681ExploitIssue TrackingVendor Advisory
https://usn.ubuntu.com/4326-1/
https://usn.ubuntu.com/4336-1/
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87681ExploitIssue TrackingVendor Advisory
https://usn.ubuntu.com/4326-1/
https://usn.ubuntu.com/4336-1/

FAQ

What is CVE-2018-18700?

CVE-2018-18700 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An issue was discovered in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31. There is a stack consumption vulnerability resulting from infinite recursion in the functions d_name(), ...

How severe is CVE-2018-18700?

CVE-2018-18700 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-2018-18700?

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