Vulnerability Report

CVE-2018-19791

Title: Litespeedtech Openlitespeed Improper Input Validation

Improper Input Validation

Proof Of Concept

No public PoC currently indexed for CVE-2018-19791.

CWE Category CWE-20

Published Date Dec 03, 2018

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 6.5 CVSS v3.0

Exploit Probability (EPSS)

0.29%

Vulnerability Summary

CVE-2018-19791: The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 does not correctly handle requests for byte sequences, allowing an attacker to amplify the response size by requesting the entire response body repeatedly, as demonstrated by an HTTP Range header value beginning with the "bytes=0-,0-" substring.

Impacted Vendors

litespeedtech 1

Reference Links

https://github.com/litespeedtech/openlitespeed/issues/117 https://github.com/litespeedtech/openlitespeed/issues/117

CVSS v3.0

Source Entity [email protected]

Severity MEDIUM

6.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:S/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2018-19791 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

December 03, 2018 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.