Vulnerability Name:

CCN-196504

Published:2021-02-09
Updated:2021-02-09
Summary:Squid-Cache Squid could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in the WCCP protocol. An attacker could exploit this vulnerability to execute arbitrary code on the system in the context of the "nobody" user.
CVSS v3 Severity:5.6 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)
4.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:5.1 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Consequences:Gain Access
References:Source: CCN
Type: Squid-Cache Web site
Squid

Source: XF
Type: UNKNOWN
squid-cache-wccp-code-exec(196504)

Source: CCN
Type: ZDI-21-156
(0Day) Squid Cache WCCP Protocol Use-After-Free Remote Code Execution Vulnerability

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:squid-cache:squid:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    squid-cache squid *