Vulnerability in F5 Traffix Signaling Delivery Controller

CVE-2018-20657

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.

EPSS: 0.040 (89.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
  • cve@mitre.org (x_refsource_REDHAT, vendor-advisory)

Frequently asked questions

What is CVE-2018-20657?
CVE-2018-20657 is a high-severity vulnerability in F5 Traffix Signaling Delivery Controller, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 7.5/10. Published 2019-01-02.
How severe is CVE-2018-20657?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-20657 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.