CVE-2018-20657
First published: Wed Jan 02 2019(Updated: )
A memory leak was found in the demangle_template function in GNU libiberty, as distributed in GNU Binutils. A crafted filed could cause the application to crash. Upstream issue: <a href="https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539">https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Binutils | =2.31.1 | |
| F5 Traffix Systems Signaling Delivery Controller | >=5.0.0<=5.1.0 | |
| F5 Traffix Systems Signaling Delivery Controller | =4.4.0 |
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Reference Links
- https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1664713
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1664715
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1664714
- https://access.redhat.com/errata/RHSA-2019:3352
- https://access.redhat.com/security/cve/cve-2018-20657
- https://bugzilla.redhat.com/show_bug.cgi?id=1664708
- http://www.securityfocus.com/bid/106444
- https://support.f5.com/csp/article/K62602089
Frequently Asked Questions
What is the severity of CVE-2018-20657?
CVE-2018-20657 is considered to have moderate severity due to its potential to allow applications to crash.
How do I fix CVE-2018-20657?
To mitigate CVE-2018-20657, ensure you update to the patched version of GNU Binutils or the affected F5 Traffix Systems Signaling Delivery Controller.
What causes the memory leak in CVE-2018-20657?
The memory leak in CVE-2018-20657 is caused by the demangle_template function in GNU libiberty when processing crafted files.
Which versions of GNU Binutils are affected by CVE-2018-20657?
GNU Binutils version 2.31.1 is specifically noted as affected by CVE-2018-20657.
Can CVE-2018-20657 be exploited remotely?
CVE-2018-20657 requires a crafted file to trigger the memory leak, generally limiting the risk of remote exploitation.
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- vendor/gnu
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- version/gnu binutils/2.31.1
- vendor/f5
- canonical/f5 traffix systems signaling delivery controller
- version/f5 traffix systems signaling delivery controller/5.0.0
- version/f5 traffix systems signaling delivery controller/5.1.0
- version/f5 traffix systems signaling delivery controller/4.4.0