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Ubuntu.comUB:CVE-2020-24978

HistorySep 04, 2020 - 12:00 a.m.

CVE-2020-24978

2020-09-0400:00:00

ubuntu.com

nasm 2.15.04rc3

double-free vulnerability

pp_tokline

preproc.c

commit 8806c3ca007b84accac21dd88b900fb03614ceb7

unix

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.003

Percentile

68.3%

JSON

In NASM 2.15.04rc3, there is a double-free vulnerability in pp_tokline
asm/preproc.c. This is fixed in commit
8806c3ca007b84accac21dd88b900fb03614ceb7.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchnasm< anyUNKNOWN
ubuntu20.04noarchnasm< anyUNKNOWN
ubuntu16.04noarchnasm< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	nasm	< any	UNKNOWN
ubuntu	20.04	noarch	nasm	< any	UNKNOWN
ubuntu	16.04	noarch	nasm	< any	UNKNOWN

References

bugzilla.nasm.us/show_bug.cgi?id=3392712

launchpad.net/bugs/cve/CVE-2020-24978

nvd.nist.gov/vuln/detail/CVE-2020-24978

security-tracker.debian.org/tracker/CVE-2020-24978

www.cve.org/CVERecord?id=CVE-2020-24978

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.003

Percentile

68.3%

JSON

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