Vulnerability Name:

CVE-2021-34825 (CCN-203959)

Assigned:2021-06-16
Published:2021-06-16
Updated:2022-07-12
Summary:Quassel through 0.13.1, when --require-ssl is enabled, launches without SSL or TLS support if a usable X.509 certificate is not found on the local system.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:U/RC:R)
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): High
Integrity (I): None
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.7 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:L/E:U/RL:U/RC:R)
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): Low
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-319
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-34825

Source: XF
Type: UNKNOWN
quassel-cve202134825-dos(203959)

Source: CCN
Type: Quassel GIT Repository
core: Error out when --require-ssl is specified, but no cert can be loaded #581

Source: MISC
Type: Exploit, Patch, Third Party Advisory
https://github.com/quassel/quassel/pull/581

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-75cec6e6da

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-2e2ba6d39f

Vulnerable Configuration:Configuration 1:
  • cpe:/a:quassel-irc:quassel:*:*:*:*:*:*:*:* (Version <= 0.13.1)

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:34:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:quassel-irc:quassel:0.13.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    quassel-irc quassel *
    fedoraproject fedora 33
    fedoraproject fedora 34
    quassel-irc quassel 0.13.1