Vulnerability Name:

CVE-2022-30780 (CCN-228624)

Assigned:2021-07-19
Published:2021-07-19
Updated:2022-06-17
Summary:Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause a denial of service (CPU consumption from stuck connections) because connection_read_header_more in connections.c has a typo that disrupts use of multiple read operations on large headers.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-400
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2022-30780

Source: XF
Type: UNKNOWN
lighttpd-cve202230780-dos(228624)

Source: MISC
Type: Product, Third Party Advisory
https://github.com/lighttpd/lighttpd1.4

Source: CCN
Type: GitHub Web site
CVE-2022-30780 - lighttpd remote denial of service

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-service

Source: MISC
Type: Exploit, Third Party Advisory
https://podalirius.net/en/cves/2022-30780/

Source: MISC
Type: Issue Tracking, Patch, Vendor Advisory
https://redmine.lighttpd.net/issues/3059

Source: CCN
Type: Lighttpd Web site
Home - Lighttpd - fly light

Vulnerable Configuration:Configuration 1:
  • cpe:/a:lighttpd:lighttpd:1.4.57:*:*:*:*:*:*:*
  • OR cpe:/a:lighttpd:lighttpd:1.4.58:*:*:*:*:*:*:*
  • OR cpe:/a:lighttpd:lighttpd:1.4.56:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    lighttpd lighttpd 1.4.57
    lighttpd lighttpd 1.4.58
    lighttpd lighttpd 1.4.56