Lucene search

K
ubuntucveUbuntu.comUB:CVE-2023-38313
HistoryNov 17, 2023 - 12:00 a.m.

CVE-2023-38313

2023-11-1700:00:00
ubuntu.com
ubuntu.com
12
opennds
captive portal
denial-of-service
null pointer dereference
bug 1059451

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

20.4%

An issue was discovered in OpenNDS Captive Portal before 10.1.2. it has a
do_binauth NULL pointer dereference that can be triggered with a crafted
GET HTTP request with a missing client redirect query string parameter.
Triggering this issue results in crashing openNDS (a Denial-of-Service
condition). The issue occurs when the client is about to be authenticated,
and can be triggered only when the BinAuth option is set. Affected OpenNDS
Captive Portal before version 10.1.2 fixed infixed in OpenWrt master,
OpenWrt 23.05 and OpenWrt 22.03 on28. August 2023 by updating OpenNDS to
version 10.1.3.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu24.04noarchopennds< anyUNKNOWN

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

20.4%

Related for UB:CVE-2023-38313