Vulnerability CVE-2016-3992

Vulnerability Name:

CVE-2016-3992 (CCN-112294)

Assigned:

2016-04-11

Published:

2016-04-11

Updated:

2018-10-30

Summary:

cronic before 3 allows local users to write to arbitrary files via a symlink attack on a (1) cronic.out.$$, (2) cronic.err.$$, or (3) cronic.trace.$$ file in /tmp.

CVSS v3 Severity:

6.2 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
5.4 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/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): None Integrity (I): High Availibility (A): None

4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/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): None Integrity (I): Low Availibility (A): None

CVSS v2 Severity:

4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:C/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Complete Availibility (A): None

2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

Vulnerability Type:

CWE-284

Vulnerability Consequences:

File Manipulation

References:

Source: MITRE
Type: CNA
CVE-2016-3992

Source: SUSE
Type: Third Party Advisory
openSUSE-SU-2016:1741

Source: CCN
Type: oss-sec Mailing List, Sun, 10 Apr 2016 00:49:22 +0200
CVE request: cronic - predictable temporary files

Source: CCN
Type: oss-sec Mailing List, Sun, 10 Apr 2016 10:23:11 -0400 (EDT)
Re: CVE request: cronic - predictable temporary files

Source: MLIST
Type: UNKNOWN
[oss-security] 20160410 CVE request: cronic - predictable temporary files

Source: MLIST
Type: UNKNOWN
[oss-security] 20160410 Re: CVE request: cronic - predictable temporary files

Source: CCN
Type: Debian Bug report logs - 820331
cronic: CVE-2016-3992: uses very predictable temporary files

Source: CONFIRM
Type: Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=820331

Source: XF
Type: UNKNOWN
cronic-cve20163992-symlink(112294)

Source: CCN
Type: cronic Web site
Debian Package Tracking System - cronic

Vulnerable Configuration:

Configuration 1:

cpe:/a:cronic_project:cronic:2:*:*:*:*:*:*:*

Configuration 2:

cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*

OR cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Configuration 3:

cpe:/o:opensuse:leap:42.1:*:*:*:*:*:*:*

OR cpe:/o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:20163992	V	CVE-2016-3992	2022-06-30
oval:org.opensuse.security:def:112119	P	cronic-3-1.2 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:105656	P	Security update for libvirt (Important)	2021-10-27

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