CVE-2018-20623
MEDIUMCVSS 5.5/10EPSS 1.82%
Last modified
CVE-2018-20623 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In GNU Binutils 2.31.1, there is a use-after-free in the error function in elfcomm.c when called from the process_archive function in readelf.c via a crafted ELF file.. EPSS estimates a 1.82% chance of exploitation in the next 30 days.
Description
In GNU Binutils 2.31.1, there is a use-after-free in the error function in elfcomm.c when called from the process_archive function in readelf.c via a crafted ELF file.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Binutils | 2.31.1 |
References
- http://www.securityfocus.com/bid/106370Third Party Advisory, VDB Entry
- https://sourceware.org/bugzilla/show_bug.cgi?id=24049Exploit, Issue Tracking, Third Party Advisory
- https://support.f5.com/csp/article/K38336243Third Party Advisory
- http://www.securityfocus.com/bid/106370Third Party Advisory, VDB Entry
- https://sourceware.org/bugzilla/show_bug.cgi?id=24049Exploit, Issue Tracking, Third Party Advisory
- https://support.f5.com/csp/article/K38336243Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-20623?
In GNU Binutils 2.31.1, there is a use-after-free in the error function in elfcomm.c when called from the process_archive function in readelf.c via a crafted ELF file.
How severe is CVE-2018-20623?
CVE-2018-20623 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.82% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20623?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-20623?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST