Lucene search

K
ubuntucveUbuntu.comUB:CVE-2021-31826
HistoryApr 27, 2021 - 12:00 a.m.

CVE-2021-31826

2021-04-2700:00:00
ubuntu.com
ubuntu.com
8
cve-2021-31826
shibboleth service provider
null pointer dereference
session recovery
daemon crash

CVSS2

5

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

0.002

Percentile

65.0%

Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer
dereference flaw involving the session recovery feature. The flaw is
exploitable (for a daemon crash) on systems not using this feature if a
crafted cookie is supplied.

Bugs

Notes

Author Note
sbeattie does not affect src:shibboleth-sp2
OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchshibboleth-sp< 3.0.4+dfsg1-1ubuntu0.2UNKNOWN

CVSS2

5

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

0.002

Percentile

65.0%