Vulnerability Name:

CVE-2018-0492 (CCN-141282)

Assigned:2017-11-27
Published:2018-04-03
Updated:2019-03-14
Summary:Johnathan Nightingale beep through 1.3.4, if setuid, has a race condition that allows local privilege escalation.
CVSS v3 Severity:7.0 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/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): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.4 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.3 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-362
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2018-0492

Source: CCN
Type: oss-sec Mailing List, Fri, 6 Apr 2018 08:52:43 +0200
Privsec vuln in beep / Code execution in GNU patch

Source: XF
Type: UNKNOWN
beep-cve20180492-priv-esc(141282)

Source: CCN
Type: Johnathan Nightingale Web page
Beep

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20180403 [SECURITY] [DLA 1338-1] beep security update

Source: CONFIRM
Type: Mailing List, Third Party Advisory
https://lists.debian.org/debian-security-announce/2018/msg00089.html

Source: CONFIRM
Type: Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2018-0492

Source: GENTOO
Type: Third Party Advisory
GLSA-201805-15

Source: DEBIAN
Type: Third Party Advisory
DSA-4163

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [04-06-2018]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
44452

Vulnerable Configuration:Configuration 1:
  • cpe:/a:beep_project:beep:*:*:*:*:*:*:*:* (Version <= 1.3.4)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:20180492000
    V
    		CVE-2018-0492 on Ubuntu 17.10 (artful) - untriaged.
    2018-04-03
    oval:com.ubuntu.trusty:def:20180492000
    V
    		CVE-2018-0492 on Ubuntu 14.04 LTS (trusty) - untriaged.
    2018-04-03
    oval:com.ubuntu.xenial:def:20180492000
    V
    		CVE-2018-0492 on Ubuntu 16.04 LTS (xenial) - untriaged.
    2018-04-03
    oval:com.ubuntu.xenial:def:201804920000000
    V
    		CVE-2018-0492 on Ubuntu 16.04 LTS (xenial) - untriaged.
    2018-04-03
    BACK
    beep_project beep *
    debian debian linux 7.0
    debian debian linux 8.0
    debian debian linux 9.0