// For flags

CVE-2023-49285

Denial of Service in HTTP Message Processing in Squid

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Buffer Overread bug Squid is vulnerable to a Denial of Service attack against Squid HTTP Message processing. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Squid es un proxy de almacenamiento en caché para la Web que admite HTTP, HTTPS, FTP y más. Debido a un error de sobrelectura del búfer, Squid es vulnerable a un ataque de denegación de servicio contra el procesamiento de mensajes HTTP de Squid. Este error se solucionó con la versión 6.5 de Squid. Se recomienda a los usuarios que actualicen. No se conocen workarounds para esta vulnerabilidad.

A buffer over-read flaw was found in Squid's HTTP Message processing feature. This issue may allow attackers to perform remote denial of service.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-11-24 CVE Reserved
  • 2023-12-04 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-11-03 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
  • CWE-126: Buffer Over-read
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Squid-cache
Search vendor "Squid-cache"
Squid
Search vendor "Squid-cache" for product "Squid"
<= 6.4
Search vendor "Squid-cache" for product "Squid" and version " <= 6.4"
-
Affected