CVE-2017-15357

high

Published 2017-12-01 · Modified 2026-05-13

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

7.4

CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

8.4

Description

The setpermissions function in the auto-updater in Arq before 5.9.7 for Mac allows local users to gain root privileges via a symlink attack on the updater binary itself.

Predictions

Exploit likelihood

72%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-43218 local macos verified

Mark Wadham · 2017-12-06

Arq 5.9.6 - Local Privilege Escalation

Source code queued for fetch — refresh in a moment.

Application impact

Vendor	Product	Versions	Fixed
arqbackup	arq	`{"endExcluding":"5.9.7"}`	`5.9.7`

References

CWEs

CWE-59 CWE-362

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.