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nvd[email protected]NVD:CVE-2022-35507
HistoryDec 04, 2022 - 7:15 p.m.

CVE-2022-35507

2022-12-0419:15:09
CWE-74
web.nvd.nist.gov
crlf injection
proxmox virtual environment
proxmox mail gateway
remote attack
client-side dos
chromium-based browsers
pve-http-server 4.1-3

7.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

52.6%

A response-header CRLF injection vulnerability in the Proxmox Virtual Environment (PVE) and Proxmox Mail Gateway (PMG) web interface allows a remote attacker to set cookies for a victim’s browser that are longer than the server expects, causing a client-side DoS. This affects Chromium-based browsers because they allow injection of response headers with %0d. This is fixed in pve-http-server 4.1-3.

Affected configurations

NVD
Node
proxmoxproxmox_mail_gatewayMatch-
OR
proxmoxpve_http_serverRange<4.1-3
OR
proxmoxvirtual_environmentMatch-

7.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

52.6%

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