CVE-2020-15396

Upstream information

CVE-2020-15396 at MITRE

Description

In HylaFAX+ through 7.0.2 and HylaFAX Enterprise, the faxsetup utility calls chown on files in user-owned directories. By winning a race, a local attacker could use this to escalate his privileges to root.

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SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having important severity.

CVSS v2 Scores

	National Vulnerability Database
Base Score	7.2
Vector	AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector	Local
Access Complexity	Low
Authentication	None
Confidentiality Impact	Complete
Integrity Impact	Complete
Availability Impact	Complete

CVSS v3 Scores

	National Vulnerability Database
Base Score	7.8
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector	Local
Access Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality Impact	High
Integrity Impact	High
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1173521 [RESOLVED / FIXED]

SUSE Security Advisories:

• openSUSE-SU-2020:1209-1, published Sat, 15 Aug 2020 00:13:55 +0200 (CEST)
• openSUSE-SU-2020:1210-1, published Sat, 15 Aug 2020 00:14:45 +0200 (CEST)
• openSUSE-SU-2020:1231-1, published Tue, 18 Aug 2020 15:14:49 +0200 (CEST)
• openSUSE-SU-2020:1438-1, published Fri, 18 Sep 2020 18:50:36 +0200 (CEST)

List of released packages

Product(s)	Fixed package version(s)	References
openSUSE Leap 15.1	hylafax+ >= 7.0.3-lp151.4.6.1 hylafax+-client >= 7.0.3-lp151.4.6.1 hylafax+-client-debuginfo >= 7.0.3-lp151.4.6.1 hylafax+-debuginfo >= 7.0.3-lp151.4.6.1 hylafax+-debugsource >= 7.0.3-lp151.4.6.1 libfaxutil7_0_3 >= 7.0.3-lp151.4.6.1 libfaxutil7_0_3-debuginfo >= 7.0.3-lp151.4.6.1	Patchnames: openSUSE-2020-1210
openSUSE Leap 15.2	hylafax+ >= 7.0.3-lp152.3.6.1 hylafax+-client >= 7.0.3-lp152.3.6.1 hylafax+-client-debuginfo >= 7.0.3-lp152.3.6.1 hylafax+-debuginfo >= 7.0.3-lp152.3.6.1 hylafax+-debugsource >= 7.0.3-lp152.3.6.1 libfaxutil7_0_3 >= 7.0.3-lp152.3.6.1 libfaxutil7_0_3-debuginfo >= 7.0.3-lp152.3.6.1	Patchnames: openSUSE-2020-1209