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Ubuntu.comUB:CVE-2020-19497

HistoryJul 21, 2021 - 12:00 a.m.

CVE-2020-19497

2021-07-2100:00:00

ubuntu.com

integer overflow vulnerability

mat_varreadnextinfo5

mat5.c

tbeumatio

denial of service

unspecified impacts

unix

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

64.4%

JSON

Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu
matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial
of Service or possibly other unspecified impacts.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibmatio< anyUNKNOWN
ubuntu20.04noarchlibmatio< anyUNKNOWN
ubuntu22.04noarchlibmatio< anyUNKNOWN
ubuntu24.04noarchlibmatio< anyUNKNOWN
ubuntu14.04noarchlibmatio< anyUNKNOWN
ubuntu16.04noarchlibmatio< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	libmatio	< any	UNKNOWN
ubuntu	20.04	noarch	libmatio	< any	UNKNOWN
ubuntu	22.04	noarch	libmatio	< any	UNKNOWN
ubuntu	24.04	noarch	libmatio	< any	UNKNOWN
ubuntu	14.04	noarch	libmatio	< any	UNKNOWN
ubuntu	16.04	noarch	libmatio	< any	UNKNOWN

References

github.com/tbeu/matio/commit/5fa49ef9fc4368fe3d19b5fdaa36d8fa5e7f4606

github.com/tbeu/matio/issues/121

launchpad.net/bugs/cve/CVE-2020-19497

nvd.nist.gov/vuln/detail/CVE-2020-19497

security-tracker.debian.org/tracker/CVE-2020-19497

www.cve.org/CVERecord?id=CVE-2020-19497

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

64.4%

JSON

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