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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.040 (90.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
Affected products
- F5 Traffix Signaling Delivery Controller — versions 4.4.0
- GNU Binutils — versions 2.31.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/106444 (VDB Entry, Third Party Advisory, vdb-entry)
- gcc.gnu.org/bugzilla/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- support.f5.com/csp/article/K62602089 (Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:3352 (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.