Vulnerability Name:

CVE-2021-44543 (CCN-214896)

Assigned:2021-12-09
Published:2021-12-09
Updated:2021-12-29
Summary:An XSS vulnerability was found in Privoxy which was fixed in cgi_error_no_template() by encode the template name when Privoxy is configured to servce the user-manual itself.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
7.2 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N)
6.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:H/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): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:2.6 Low (CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2021-44543

Source: XF
Type: UNKNOWN
privoxy-cve202144543-xss(214896)

Source: CCN
Type: oss-sec Mailing List, Thu, 9 Dec 2021 13:02:18 +0100
Multiple issues fixed in Privoxy 3.0.33 stable

Source: CCN
Type: Privoxy Web site
Privoxy

Source: MISC
Type: Broken Link, Vendor Advisory
https://www.privoxy.org/3.0.33/user-manual/whatsnew.html,

Source: MISC
Type: Mailing List, Patch, Vendor Advisory
https://www.privoxy.org/gitweb/?p=privoxy.git;a=commit;h=0e668e9409c

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-44543

Vulnerable Configuration:Configuration 1:
  • cpe:/a:privoxy:privoxy:*:*:*:*:*:*:*:* (Version < 3.0.33)

    • Configuration CCN 1:
  • cpe:/a:privoxy:privoxy:3.0.32:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:113172
    P
    		privoxy-3.0.33-1.1 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:111190
    P
    		Security update for privoxy (Important)
    2021-12-30
    oval:org.opensuse.security:def:111530
    P
    		Security update for privoxy (Important)
    2021-12-30
    oval:org.opensuse.security:def:11165
    P
    		Security update for privoxy (Important)
    2021-12-30
    BACK
    privoxy privoxy *
    privoxy privoxy 3.0.32