CVE-2018-0492 json
Johnathan Nightingale beep through 1.3.4, if setuid, has a race condition that allows local privilege escalation.
published 2018-04-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1315
- cvss
- 7.0
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 1
- Exploit-DB
Summary
Johnathan Nightingale beep through 1.3.4, if setuid, has a race condition that allows local privilege escalation.
Patch / fix
- beep Debian 14, Debian 13, Debian 12 1.3-5
debian advisories DEBIAN-CVE-2018-0492
- beep Ubuntu 14.04 LTS 1.3-3+deb8u1build0.14.04.1
- beep Ubuntu 16.04 LTS 1.3-4+deb9u1~build0.16.04.1
ubuntu advisories UBUNTU-CVE-2018-0492
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Timeline
- Published
- First public exploit (EDB-44452)
Exploit prediction
1.56% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-44452 GNU Beep 1.3 - 'HoleyBeep' Local Privilege Escalation local, 2018-04-06
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.0 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.4 | AV:L/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- n/a beep
Classification
- Weakness
-
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
References
-
exploit-db.com
/exploits/44452/
exploit, third-party-advisory, vdb-entry
-
debian.org
/security/2018/dsa-4163
vendor-advisory, third-party-advisory
-
security.gentoo.org
/glsa/201805-15
vendor-advisory, third-party-advisory
-
security-tracker.debian.org
/tracker/CVE-2018-0492
third-party-advisory
-
lists.debian.org
/debian-security-announce/2018/msg00089.html
mailing-list, third-party-advisory
-
lists.debian.org
/debian-lts-announce/2018/04/msg00002.html
mailing-list, third-party-advisory
Sources
- CVE List CVE-2018-0492
- NVD CVE-2018-0492
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.