CVE-2017-16928
The arq_updater binary in Arq 5.10 and earlier for Mac allows local users to write to arbitrary...
CVE-2017-16928 is a high vulnerability (CVSS 7.8) in Haystacksoftware Arq, published January 31, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.99%, the 62nd percentile. No source names a fixed version.
The arq_updater binary in Arq 5.10 and earlier for Mac allows local users to write to arbitrary files and consequently gain root privileges via a crafted update URL, as demonstrated by file:///tmp/blah/Arq.zip.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The arq_updater binary in Arq 5.10 and earlier for Mac allows local users to write to arbitrary files and consequently gain root privileges via a crafted update URL, as demonstrated by file:///tmp/blah/Arq.zip.
- Record
CVE-2017-16928- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-732
- Updated
- 2026-11-02
CVE List No score
The arq_updater binary in Arq 5.10 and earlier for Mac allows local users to write to arbitrary files and consequently gain root privileges via a crafted update URL, as demonstrated by file:///tmp/blah/Arq.zip.
- Record
CVE-2017-16928- Updated
- 2026-11-02
EUVDEUVD-2017-8098 No score
The arq_updater binary in Arq 5.10 and earlier for Mac allows local users to write to arbitrary files and consequently gain root privileges via a crafted update URL, as demonstrated by file:///tmp/blah/Arq.zip.
- Record
EUVD-2017-8098- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5xhf-rj7x-hqqx
The arq_updater binary in Arq 5.10 and earlier for Mac allows local users to write to arbitrary...
The arq_updater binary in Arq 5.10 and earlier for Mac allows local users to write to arbitrary files and consequently gain root privileges via a crafted update URL, as demonstrated by file:///tmp/blah/Arq.zip.
- Record
GHSA-5xhf-rj7x-hqqx- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-732
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Arq 5.10 - Local Privilege Escalation (1) | 2018-01-29 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD |