CVE-2020-35496 — NULL Pointer Dereference in Binutils

CWE-476 — NULL Pointer Dereference7 documents7 sources
Severity
5.5MEDIUMNVD
EPSS
0.2%
top 54.28%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
GNU BinutilsFedoraproject Fedora
Timeline
PublishedJan 4
Latest updateMay 24

Description

There's a flaw in bfd_pef_scan_start_address() of bfd/pef.c in binutils which could allow an attacker who is able to submit a crafted file to be processed by objdump to cause a NULL pointer dereference. The greatest threat of this flaw is to application availability. This flaw affects binutils versions prior to 2.34.

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

▶NVDgnu/binutils< 2.34
▶Debiangnu/binutils< 2.33.50.20200107-1+3
▶CVEListV5gnu/binutilsbinutils 2.34

Also affects: Fedora 32

Patches

Patch: bugzilla.redhat.com ↗Patch: bugzilla.redhat.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-grgx-vvhc-gxxr: There's a flaw in bfd_pef_scan_start_address() of bfd/pef↗2022-05-24
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OSV
CVE-2020-35496: There's a flaw in bfd_pef_scan_start_address() of bfd/pef↗2021-01-04
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CVEList
CVE-2020-35496: There's a flaw in bfd_pef_scan_start_address() of bfd/pef↗2021-01-04
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📋Vendor Advisories

3
Microsoft
There's a flaw in bfd_pef_scan_start_address() of bfd/pef.c in binutils which could allow an attacker who is able to submit a crafted file to be processed by objdump to cause a NULL pointer dereferenc↗2021-01-12
▶
Debian
CVE-2020-35496: binutils - There's a flaw in bfd_pef_scan_start_address() of bfd/pef.c in binutils which co...↗2020
▶
Red Hat
binutils: NULL pointer dereference in bfd_pef_scan_start_address function in bfd/pef.c↗2019-12-22
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CVE-2020-35496 — NULL Pointer Dereference in Binutils | cvebase