Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Binutils | 2.31.1 |
| F5 | Traffix Signaling Delivery Controller | >= 5.0.0, <= 5.1.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/106444Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:3352
- https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539ExploitIssue TrackingThird Party Advisory
- https://support.f5.com/csp/article/K62602089Third Party Advisory
- http://www.securityfocus.com/bid/106444Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:3352
- https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539ExploitIssue TrackingThird Party Advisory
- https://support.f5.com/csp/article/K62602089Third Party Advisory
FAQ
What is CVE-2018-20657?
CVE-2018-20657 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 d...
How severe is CVE-2018-20657?
CVE-2018-20657 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20657?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Binutils, F5 Traffix Signaling Delivery Controller.