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archlinuxArch LinuxASA-201604-9
HistoryApr 17, 2016 - 12:00 a.m.

libtasn1: denial of service

2016-04-1700:00:00
Arch Linux
lists.archlinux.org
16

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

4.3 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.211 Low

EPSS

Percentile

95.9%

The libtasn1 library, in its 4.7 version, can loop for a long time or
indefinitely when it is used to parse DER representations of X.509
certificates, leading to a denial of service. Some of these loops may in
addition increase heap or stack usage, leading to more issues.

OSVersionArchitecturePackageVersionFilename
anyanyanylibtasn1< 4.8-1UNKNOWN

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

4.3 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.211 Low

EPSS

Percentile

95.9%