CVE-2021-41500

2021-12-1721:15:07

Debian Security Bug Tracker

security-tracker.debian.org

cve-2021-41500

string comparison vulnerability

cvxopt.org

denial of service

fake capsule objects

unix

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

44.4%

JSON

Incomplete string comparison vulnerability exits in cvxopt.org cvxop <= 1.2.6 in APIs (cvxopt.cholmod.diag, cvxopt.cholmod.getfactor, cvxopt.cholmod.solve, cvxopt.cholmod.spsolve), which allows attackers to conduct Denial of Service attacks by construct fake Capsule objects.

OSVersionArchitecturePackageVersionFilename
Debian12allcvxopt< 1.2.7+dfsg-1cvxopt_1.2.7+dfsg-1_all.deb
Debian11allcvxopt<= 1.2.5+dfsg-3cvxopt_1.2.5+dfsg-3_all.deb
Debian999allcvxopt< 1.2.7+dfsg-1cvxopt_1.2.7+dfsg-1_all.deb
Debian13allcvxopt< 1.2.7+dfsg-1cvxopt_1.2.7+dfsg-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	cvxopt	< 1.2.7+dfsg-1	cvxopt_1.2.7+dfsg-1_all.deb
Debian	11	all	cvxopt	<= 1.2.5+dfsg-3	cvxopt_1.2.5+dfsg-3_all.deb
Debian	999	all	cvxopt	< 1.2.7+dfsg-1	cvxopt_1.2.7+dfsg-1_all.deb
Debian	13	all	cvxopt	< 1.2.7+dfsg-1	cvxopt_1.2.7+dfsg-1_all.deb