Vulnerability Name:

CVE-2015-2268 (CCN-101558)

Assigned:2015-03-16
Published:2015-03-16
Updated:2020-12-01
Summary:filter/urltolink/filter.php in Moodle through 2.5.9, 2.6.x before 2.6.9, 2.7.x before 2.7.6, and 2.8.x before 2.8.4 allows remote authenticated users to cause a denial of service (CPU consumption or partial outage) via a crafted string that is matched against an improper regular expression.
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:6.8 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)
5.0 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
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-2015-2268

Source: CONFIRM
Type: UNKNOWN
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38466

Source: MLIST
Type: UNKNOWN
[oss-security] 20150316 Moodle security issues are now public

Source: XF
Type: UNKNOWN
moodle-cve20152268-dos(101558)

Source: CCN
Type: Moodle Security Advisory MSA-15-0012
ReDoS Possible with Convert links to URLs filter

Source: CONFIRM
Type: Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=307382

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2015-2268

Vulnerable Configuration:Configuration 1:
  • cpe:/a:moodle:moodle:2.5.0:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.8:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.7:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.6:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.3:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.5.8:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.5.7:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.5.6:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.5.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.4:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.3:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version <= 2.5.9)
  • OR cpe:/a:moodle:moodle:2.5.4:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.5.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.4:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.0:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.5.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.3:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.0:-:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:moodle:moodle:2.8.3:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.8:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201522680000000
    V
    		CVE-2015-2268 on Ubuntu 18.04 LTS (bionic) - medium.
    2015-06-01
    oval:com.ubuntu.artful:def:20152268000
    V
    		CVE-2015-2268 on Ubuntu 17.10 (artful) - medium.
    2015-06-01
    oval:com.ubuntu.trusty:def:20152268000
    V
    		CVE-2015-2268 on Ubuntu 14.04 LTS (trusty) - medium.
    2015-06-01
    oval:com.ubuntu.xenial:def:201522680000000
    V
    		CVE-2015-2268 on Ubuntu 16.04 LTS (xenial) - medium.
    2015-06-01
    oval:com.ubuntu.bionic:def:20152268000
    V
    		CVE-2015-2268 on Ubuntu 18.04 LTS (bionic) - medium.
    2015-06-01
    oval:com.ubuntu.xenial:def:20152268000
    V
    		CVE-2015-2268 on Ubuntu 16.04 LTS (xenial) - medium.
    2015-06-01
    oval:com.ubuntu.disco:def:201522680000000
    V
    		CVE-2015-2268 on Ubuntu 19.04 (disco) - medium.
    2015-06-01
    oval:com.ubuntu.cosmic:def:20152268000
    V
    		CVE-2015-2268 on Ubuntu 18.10 (cosmic) - medium.
    2015-06-01
    oval:com.ubuntu.cosmic:def:201522680000000
    V
    		CVE-2015-2268 on Ubuntu 18.10 (cosmic) - medium.
    2015-06-01
    oval:com.ubuntu.precise:def:20152268000
    V
    		CVE-2015-2268 on Ubuntu 12.04 LTS (precise) - medium.
    2015-06-01
    BACK
    moodle moodle 2.5.0
    moodle moodle 2.6.8
    moodle moodle 2.6.7
    moodle moodle 2.6.6
    moodle moodle 2.8.1
    moodle moodle 2.8.2
    moodle moodle 2.8.3
    moodle moodle 2.5.8
    moodle moodle 2.5.7
    moodle moodle 2.5.6
    moodle moodle 2.5.5
    moodle moodle 2.6.1
    moodle moodle 2.6.0
    moodle moodle 2.7.5
    moodle moodle 2.7.4
    moodle moodle 2.7.3
    moodle moodle *
    moodle moodle 2.5.4
    moodle moodle 2.5.2
    moodle moodle 2.6.4
    moodle moodle 2.6.2
    moodle moodle 2.7.1
    moodle moodle 2.8.0
    moodle moodle 2.5.3
    moodle moodle 2.5.1
    moodle moodle 2.6.5
    moodle moodle 2.6.3
    moodle moodle 2.7.2
    moodle moodle 2.7.0
    moodle moodle 2.8.3
    moodle moodle 2.7.5
    moodle moodle 2.6.8