CVE-2020-16592 — Use After Free in Binutils

CWE-416 — Use After Free8 documents7 sources
Severity
5.5MEDIUMNVD
EPSS
0.3%
top 44.48%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
GNU BinutilsFedoraproject Fedora
Timeline
PublishedDec 9
Latest updateMay 24

Description

A use after free issue exists in the Binary File Descriptor (BFD) library (aka libbfd) in GNU Binutils 2.34 in bfd_hash_lookup, as demonstrated in nm-new, that can cause a denial of service via a crafted file.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶Debiangnu/binutils< 2.35-1+3
▶Ubuntugnu/binutils< 2.30-21ubuntu1~18.04.7+1
▶NVDgnu/binutils2.34

Also affects: Fedora 32, 33

🔴Vulnerability Details

4
GHSA
GHSA-2q8c-vq6v-7pf3: A use after free issue exists in the Binary File Descriptor (BFD) library (aka libbfd) in GNU Binutils 2↗2022-05-24
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OSV
binutils vulnerabilities↗2021-10-25
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CVEList
CVE-2020-16592: A use after free issue exists in the Binary File Descriptor (BFD) library (aka libbfd) in GNU Binutils 2↗2020-12-09
▶
OSV
CVE-2020-16592: A use after free issue exists in the Binary File Descriptor (BFD) library (aka libbfd) in GNU Binutils 2↗2020-12-09
▶

📋Vendor Advisories

3
Ubuntu
GNU binutils vulnerabilities↗2021-10-25
▶
Red Hat
binutils: use-after-free in bfd_hash_lookup could result in DoS↗2020-12-10
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Debian
CVE-2020-16592: binutils - A use after free issue exists in the Binary File Descriptor (BFD) library (aka l...↗2020
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CVE-2020-16592 — Use After Free in GNU Binutils | cvebase