Vulnerability Name:

CVE-2015-1336 (CCN-121526)

Assigned:2015-01-22
Published:2017-01-27
Updated:2017-10-11
Summary:The daily mandb cleanup job in Man-db before 2.7.6.1-1 as packaged in Ubuntu and Debian allows local users with access to the man account to gain privileges via vectors involving insecure chown use.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.0 Medium (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-284
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2015-1336

Source: CCN
Type: man-db Web site
man-db the on-line manual database

Source: MISC
Type: Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/140759/Man-db-2.6.7.1-Privilege-Escalation.html

Source: MISC
Type: Third Party Advisory
http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1336.html

Source: MISC
Type: Exploit, Third Party Advisory
http://www.halfdog.net/Security/2015/MandbSymlinkLocalRootPrivilegeEscalation/

Source: MLIST
Type: Mailing List, Third Party Advisory, VDB Entry
[oss-security] 20151214 Re: User man Local Root Exploit/Linux Kernel setgid Directory Privilege Escalation/PAM Owner Check Weakness

Source: BID
Type: Third Party Advisory, VDB Entry
79723

Source: CCN
Type: BID-79723
Ubuntu Vivid CVE-2015-1336 Local Privilege Escalation Vulnerability

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=840357

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/man-db/+bug/1482786

Source: XF
Type: UNKNOWN
mandb-cve20151336-priv-esc(121526)

Source: CCN
Type: Packet Storm Security [01-27-2017]
Man-db 2.6.7.1 Privilege Escalation

Source: GENTOO
Type: Issue Tracking, Third Party Advisory, VDB Entry
GLSA-201707-12

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2015-1336

Vulnerable Configuration:Configuration 1:
  • cpe:/a:man-db_project:man-db:*:*:*:*:*:*:*:* (Version <= 2.7.6.1)
  • AND
  • cpe:/o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

    • Configuration 2:
  • cpe:/a:man-db_project:man-db:*:*:*:*:*:*:*:* (Version <= 2.7.6.1)
  • AND
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ubuntu:vivid:15.04:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201513360000000
    V
    		CVE-2015-1336 on Ubuntu 18.04 LTS (bionic) - low.
    2017-09-28
    oval:com.ubuntu.xenial:def:201513360000000
    V
    		CVE-2015-1336 on Ubuntu 16.04 LTS (xenial) - low.
    2017-09-28
    oval:com.ubuntu.disco:def:201513360000000
    V
    		CVE-2015-1336 on Ubuntu 19.04 (disco) - low.
    2017-09-28
    oval:com.ubuntu.artful:def:20151336000
    V
    		CVE-2015-1336 on Ubuntu 17.10 (artful) - low.
    2017-09-27
    oval:com.ubuntu.trusty:def:20151336000
    V
    		CVE-2015-1336 on Ubuntu 14.04 LTS (trusty) - low.
    2017-09-27
    oval:com.ubuntu.bionic:def:20151336000
    V
    		CVE-2015-1336 on Ubuntu 18.04 LTS (bionic) - low.
    2017-09-27
    oval:com.ubuntu.xenial:def:20151336000
    V
    		CVE-2015-1336 on Ubuntu 16.04 LTS (xenial) - low.
    2017-09-27
    oval:com.ubuntu.cosmic:def:20151336000
    V
    		CVE-2015-1336 on Ubuntu 18.10 (cosmic) - low.
    2017-09-27
    oval:com.ubuntu.cosmic:def:201513360000000
    V
    		CVE-2015-1336 on Ubuntu 18.10 (cosmic) - low.
    2017-09-27
    oval:com.ubuntu.precise:def:20151336000
    V
    		CVE-2015-1336 on Ubuntu 12.04 LTS (precise) - low.
    2015-12-02
    BACK
    man-db_project man-db *
    canonical ubuntu linux 12.04
    canonical ubuntu linux 14.04
    canonical ubuntu linux 16.04
    man-db_project man-db *
    debian debian linux 8.0
    debian debian linux 9.0
    ubuntu vivid 15.04