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ubuntucveUbuntu.comUB:CVE-2022-37797
HistorySep 12, 2022 - 12:00 a.m.

CVE-2022-37797

2022-09-1200:00:00
ubuntu.com
ubuntu.com
22
cve-2022-37797
lighttpd
mod_wstunnel
null pointer dereference
denial of service
websocket
unix

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

57.7%

JSON

In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function
pointer if an invalid HTTP request (websocket handshake) is received. It
leads to null pointer dereference which crashes the server. It could be
used by an external attacker to cause denial of service condition.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlighttpd< anyUNKNOWN
ubuntu22.04noarchlighttpd< anyUNKNOWN

Related

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debian
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2022-10-03 07:47:47
[SECURITY] [DSA 5243-1] lighttpd security update
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Amazon Linux AMI : lighttpd (ALAS-2023-1705)
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openSUSE 15 Security Update : lighttpd (openSUSE-SU-2022:10132-1)
2022-09-30 00:00:00
Debian DLA-3133-1 : lighttpd - LTS security update
2022-10-05 00:00:00
openvas
openvas
Lighttpd < 1.4.66 DoS Vulnerability
2022-09-13 00:00:00
openSUSE: Security Advisory for lighttpd (openSUSE-SU-2022:10132-1)
2024-03-04 00:00:00
Debian: Security Advisory (DLA-3133-1)
2022-10-05 00:00:00
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2022-09-12 15:15:00
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Security update for lighttpd (moderate)
2022-09-29 00:00:00
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lighttpd-1.4.66-1.1 on GA media
2024-06-15 00:00:00
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2022-10-03 00:00:00
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2022-09-12 15:15:08
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2022-09-17 17:55:59
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2022-10-04 00:00:00
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2023-03-17 15:53:00
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2022-09-12 00:00:00
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2022-09-12 15:15:08
mageia
mageia
Updated lighttpd packages fix security vulnerability
2022-10-13 23:05:19
gentoo
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Lighttpd: Denial of Service
2022-10-31 00:00:00
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Siemens SCALANCE XCM-/XRM-300
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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

57.7%

JSON
Related for UB:CVE-2022-37797
debian2nessus6openvas5prion1debiancve1suse1cve1osv4veracode1redos1amazon1cvelist1nvd1mageia1gentoo1ics1