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ubuntucveUbuntu.comUB:CVE-2020-16592
HistoryDec 09, 2020 - 12:00 a.m.

CVE-2020-16592

2020-12-0900:00:00
ubuntu.com
ubuntu.com
13
bfd library
denial of service
crafted file
cve-2020-16592

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.002

Percentile

54.1%

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchbinutils< 2.30-21ubuntu1~18.04.7UNKNOWN
ubuntu20.04noarchbinutils< 2.34-6ubuntu1.3UNKNOWN

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.002

Percentile

54.1%