Vulnerability Name:

CVE-2015-8312 (CCN-113992)

Assigned:2015-12-16
Published:2015-12-16
Updated:2018-05-17
Summary:Off-by-one error in afs_pioctl.c in OpenAFS before 1.6.16 might allow local users to cause a denial of service (memory overwrite and system crash) via a pioctl with an input buffer size of 4096 bytes.
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)
6.8 Medium (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:U/RL:O/RC:C)
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
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
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
6.1 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Complete
Vulnerability Type:CWE-189
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2015-8312

Source: CCN
Type: OpenAFS GIT Repository
afs: pioctl kernel memory overrun

Source: CONFIRM
Type: Vendor Advisory
http://git.openafs.org/?p=openafs.git;a=commitdiff;h=2ef863720da4d9f368aaca0461c672a3008195ca

Source: DEBIAN
Type: Third Party Advisory
DSA-3569

Source: XF
Type: UNKNOWN
openafs-pioctl-kernel-cve20158312-dos(113992)

Source: CCN
Type: Debian Security Advisory DSA-3569-1
openafs -- security update

Source: CONFIRM
Type: Vendor Advisory
https://www.openafs.org/dl/1.6.16/RELNOTES-1.6.16

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2015-8312

Vulnerable Configuration:Configuration 1:
  • cpe:/a:openafs:openafs:*:*:*:*:*:*:*:* (Version <= 1.6.15)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:openafs:openafs:1.6.8:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.cisecurity:def:539
    P
    		DSA-3569-1 -- openafs -- security update
    2016-07-01
    oval:com.ubuntu.cosmic:def:201583120000000
    V
    		CVE-2015-8312 on Ubuntu 18.10 (cosmic) - medium.
    2016-05-13
    oval:com.ubuntu.artful:def:20158312000
    V
    		CVE-2015-8312 on Ubuntu 17.10 (artful) - medium.
    2016-05-13
    oval:com.ubuntu.trusty:def:20158312000
    V
    		CVE-2015-8312 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-05-13
    oval:com.ubuntu.bionic:def:201583120000000
    V
    		CVE-2015-8312 on Ubuntu 18.04 LTS (bionic) - medium.
    2016-05-13
    oval:com.ubuntu.bionic:def:20158312000
    V
    		CVE-2015-8312 on Ubuntu 18.04 LTS (bionic) - medium.
    2016-05-13
    oval:com.ubuntu.xenial:def:20158312000
    V
    		CVE-2015-8312 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-05-13
    oval:com.ubuntu.xenial:def:201583120000000
    V
    		CVE-2015-8312 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-05-13
    oval:com.ubuntu.cosmic:def:20158312000
    V
    		CVE-2015-8312 on Ubuntu 18.10 (cosmic) - medium.
    2016-05-13
    oval:com.ubuntu.precise:def:20158312000
    V
    		CVE-2015-8312 on Ubuntu 12.04 LTS (precise) - medium.
    2016-05-13
    BACK
    openafs openafs *
    debian debian linux 8.0
    debian debian linux 9.0
    openafs openafs 1.6.8