Home/CVE/The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, has a memory leak
CVE

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

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.

HIGH · CVSS 7.5 EPSS 0.00624
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-772Missing Release of Resource after Effective Lifetime
▤

Affected Products & Versions

3
gnu binutilsall versions
f5 traffix signaling delivery controller>= 5.0.0 and <= 5.1.0
f5 traffix signaling delivery controllerall versions
⚠

Public Exploits & PoCs

1
pocgcc.gnu.org · show_bug.cgi?id=88539gcc.gnu.org
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Jan 2019 · 02:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

1
rhsaRHSA-2019:3352Low
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/106444Third Party AdvisoryVDB Entry
https://support.f5.com/csp/article/K62602089Third Party Advisory
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