Improper Privilege Management in hylafaxplus (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-15396 |
| CWE-ID | CWE-269 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
hylafaxplus (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Improper Privilege Management
EUVDB-ID: #VU32879
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-15396
CWE-ID:
CWE-269 - Improper Privilege Management
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
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.
Install update from vendor's website.
Vulnerable software versionshylafaxplus (Alpine package): 7.0.0-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=1b1d9aed72f7aacb92529cd86472da2de9dee79c
http://git.alpinelinux.org/aports/commit/?id=2eb46eec7d4837f046d433bb8c9b2740a96297b5
http://git.alpinelinux.org/aports/commit/?id=485b9653ee6333bca062eecf52687bffce8814f5
http://git.alpinelinux.org/aports/commit/?id=5c0fee19a6ea76f5b2b6e1ccaa3a21340271453e
http://git.alpinelinux.org/aports/commit/?id=7f053636d6a5e50dfda6224f8e621678e9a0e026
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
