Vulnerability Name:

CVE-2015-2778 (CCN-101877)

Assigned:2015-03-20
Published:2015-03-20
Updated:2016-12-03
Summary:Quassel before 0.12-rc1 uses an incorrect data-type size when splitting a message, which allows remote attackers to cause a denial of service (crash) via a long CTCP query containing only multibyte characters.
CVSS v3 Severity: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)
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:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
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-399
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2015-2778

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2015:0687

Source: CCN
Type: oss-security Mailing List, Fri, 20 Mar 2015 17:22:53 +0100
CVE request: denial of service in Quassel

Source: MLIST
Type: UNKNOWN
[oss-security] 20150320 CVE request: denial of service in Quassel

Source: MLIST
Type: UNKNOWN
[oss-security] 20150327 Re: CVE request: denial of service in Quassel

Source: MLIST
Type: UNKNOWN
[oss-security] 20150328 Re: CVE request: denial of service in Quassel

Source: BID
Type: UNKNOWN
73305

Source: XF
Type: UNKNOWN
quassel-cve20152778-dos(101877)

Source: CCN
Type: Quassel GIT Repository
Improve the message-splitting algorithm for PRIVMSG and CTCP

Source: CONFIRM
Type: UNKNOWN
https://github.com/quassel/quassel/commit/b5e38970ffd55e2dd9f706ce75af9a8d7730b1b8

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2015-2778

Vulnerable Configuration:Configuration 1:
  • cpe:/a:quassel-irc:quassel:*:*:*:*:*:*:*:* (Version <= 0.11.0)

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20152778
    V
    		CVE-2015-2778
    2017-03-20
    oval:com.ubuntu.precise:def:20152778000
    V
    		CVE-2015-2778 on Ubuntu 12.04 LTS (precise) - medium.
    2015-04-10
    oval:com.ubuntu.xenial:def:201527780000000
    V
    		CVE-2015-2778 on Ubuntu 16.04 LTS (xenial) - medium.
    2015-04-10
    oval:com.ubuntu.trusty:def:20152778000
    V
    		CVE-2015-2778 on Ubuntu 14.04 LTS (trusty) - medium.
    2015-04-10
    oval:com.ubuntu.xenial:def:20152778000
    V
    		CVE-2015-2778 on Ubuntu 16.04 LTS (xenial) - medium.
    2015-04-10
    BACK
    quassel-irc quassel *