Vulnerability Name:

CVE-2021-46784 (CCN-230663)

Assigned:2022-06-23
Published:2022-06-23
Updated:2023-01-19
Summary:In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/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): Low
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
7.5 High (REDHAT 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 (REDHAT 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: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-617
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-46784

Source: CCN
Type: Squid Web site
squid-sysvinit

Source: cve@mitre.org
Type: Broken Link
cve@mitre.org

Source: cve@mitre.org
Type: Patch, Vendor Advisory
cve@mitre.org

Source: XF
Type: UNKNOWN
nodejs-cve202146784-dos(230663)

Source: cve@mitre.org
Type: Patch, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Mitigation, Patch, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: CCN
Type: SNYK-RHEL7-SQUIDSYSVINIT-2935254
CVE-2021-46784

Source: CCN
Type: Mend Vulnerability Database
CVE-2021-46784

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/a:redhat:enterprise_linux:9:*:*:*:*:*:*:*
    • Configuration RedHat 4:
  • cpe:/a:redhat:enterprise_linux:9::appstream:*:*:*:*:*
    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*
    • Configuration RedHat 6:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*
    • Configuration RedHat 7:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:119641
    P
    		Security update for squid (Important)
    2022-07-26
    oval:org.opensuse.security:def:118964
    P
    		Security update for squid (Important)
    2022-07-26
    oval:org.opensuse.security:def:119269
    P
    		Security update for squid (Important)
    2022-07-26
    oval:org.opensuse.security:def:119456
    P
    		Security update for squid (Important)
    2022-07-26
    oval:org.opensuse.security:def:118774
    P
    		Security update for squid (Important)
    2022-07-26
    oval:org.opensuse.security:def:125754
    P
    		Security update for squid (Important)
    2022-07-13
    oval:org.opensuse.security:def:126918
    P
    		Security update for squid (Important)
    2022-07-13
    oval:org.opensuse.security:def:127315
    P
    		Security update for squid (Important)
    2022-07-13
    oval:org.opensuse.security:def:93625
    P
    		 (Important)
    2022-07-12
    oval:org.opensuse.security:def:572
    P
    		Security update for squid (Important)
    2022-07-12
    oval:org.opensuse.security:def:93153
    P
    		 (Important)
    2022-07-12
    oval:org.opensuse.security:def:95398
    P
    		Security update for squid (Important)
    2022-07-12
    oval:org.opensuse.security:def:93313
    P
    		 (Important)
    2022-07-12
    oval:org.opensuse.security:def:6094
    P
    		Security update for squid (Important)
    2022-07-12
    oval:org.opensuse.security:def:93471
    P
    		 (Important)
    2022-07-12
    oval:org.opensuse.security:def:3765
    P
    		Security update for squid (Important)
    2022-07-12
    oval:com.redhat.rhsa:def:20225542
    P
    		RHSA-2022:5542: squid security update (Important)
    2022-07-11
    oval:com.redhat.rhsa:def:20225526
    P
    		RHSA-2022:5526: squid:4 security update (Important)
    2022-07-07
    oval:com.redhat.rhsa:def:20225527
    P
    		RHSA-2022:5527: squid security update (Important)
    2022-07-07
    BACK