CVE-2018-1121 procps-ng, procps is vulnerable to a process hiding through race condition. Since the kernel's proc_pid_readdir() returns PID entries in ascending numeric order, a process occupying a high PID can use...
MediumCVSS 5.9
EPSS 4.1%
Public exploit
- Published
- Updated
- Exploit status
- Public exploit available
Description
procps-ng, procps is vulnerable to a process hiding through race condition. Since the kernel's proc_pid_readdir() returns PID entries in ascending numeric order, a process occupying a high PID can use inotify events to determine when the process list is being scanned, and fork/exec to obtain a lower PID, thus avoiding enumeration. An unprivileged attacker can hide a process from procps-ng's utilities by exploiting a race condition in reading /proc/PID entries. This vulnerability affects procps and procps-ng up to version 3.3.15, newer versions might be affected also.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/linux(Debian:12) | All versions | No fix listed |
| debian/linux(Debian:12) | = 6.1.106-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.106-2 | No fix listed |
| debian/linux(Debian:12) | = 6.1.106-3 | No fix listed |
| debian/linux(Debian:12) | = 6.1.112-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.115-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.119-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.123-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.124-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.128-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.129-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.133-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.135-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.137-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.139-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.140-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.147-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.148-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.153-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.158-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.159-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.162-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.164-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.170-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.170-2 | No fix listed |
Show 175 more
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/linux(Debian:12) | = 6.1.170-3 | No fix listed |
| debian/linux(Debian:12) | = 6.1.172-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.174-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.176-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.177-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.180-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.187-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.190-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.27-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.37-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.38-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.38-2 | No fix listed |
| debian/linux(Debian:12) | = 6.1.38-2~bpo11+1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.38-3 | No fix listed |
| debian/linux(Debian:12) | = 6.1.38-4 | No fix listed |
| debian/linux(Debian:12) | = 6.1.38-4~bpo11+1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.52-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.55-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.55-1~bpo11+1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.64-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.66-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.67-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.69-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.69-1~bpo11+1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.76-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.76-1~bpo11+1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.82-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.85-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.90-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.90-1~bpo11+1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.94-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.94-1~bpo11+1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.98-1 | No fix listed |
| debian/linux(Debian:12) | = 6.1.99-1 | No fix listed |
| debian/linux(Debian:12) | = 6.10-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.10.1-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.10.11-1 | No fix listed |
| debian/linux(Debian:12) | = 6.10.11-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.10.12-1 | No fix listed |
| debian/linux(Debian:12) | = 6.10.3-1 | No fix listed |
| debian/linux(Debian:12) | = 6.10.4-1 | No fix listed |
| debian/linux(Debian:12) | = 6.10.6-1 | No fix listed |
| debian/linux(Debian:12) | = 6.10.6-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.10.7-1 | No fix listed |
| debian/linux(Debian:12) | = 6.10.9-1 | No fix listed |
| debian/linux(Debian:12) | = 6.11-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.11.10-1 | No fix listed |
| debian/linux(Debian:12) | = 6.11.10-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.11.2-1 | No fix listed |
| debian/linux(Debian:12) | = 6.11.4-1 | No fix listed |
| debian/linux(Debian:12) | = 6.11.5-1 | No fix listed |
| debian/linux(Debian:12) | = 6.11.5-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.11.6-1 | No fix listed |
| debian/linux(Debian:12) | = 6.11.7-1 | No fix listed |
| debian/linux(Debian:12) | = 6.11.9-1 | No fix listed |
| debian/linux(Debian:12) | = 6.11~rc4-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.11~rc5-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.10-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.100-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.101-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.105-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.107-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.11-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.11-1+alpha | No fix listed |
| debian/linux(Debian:12) | = 6.12.11-1+alpha.1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.111-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.113-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.12-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.12-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.13-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.15-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.16-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.17-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.19-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.20-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.21-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.22-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.22-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.25-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.27-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.27-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.29-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.3-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.30-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.30-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.31-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.32-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.32-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.33-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.33-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.35-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.35-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.37-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.38-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.38-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.41-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.43-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.43-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.48-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.5-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.57-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.57-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.6-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.63-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.63-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.69-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.69-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.73-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.73-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.74-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.74-2 | No fix listed |
| debian/linux(Debian:12) | = 6.12.74-2~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.8-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.85-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.85-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.86-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.86-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.88-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.88-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.9-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.9-1+alpha | No fix listed |
| debian/linux(Debian:12) | = 6.12.9-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.90-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.90-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.90-2 | No fix listed |
| debian/linux(Debian:12) | = 6.12.90-2~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.94-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.94-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.95-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.95-1~bpo12+1 | No fix listed |
| debian/linux(Debian:12) | = 6.12.96-1 | No fix listed |
| debian/linux(Debian:12) | = 6.12~rc6-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.13.10-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.13.11-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.13.2-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.13.3-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.13.4-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.13.5-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.13.6-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.13.7-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.13.8-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.13.9-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.13~rc6-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.13~rc7-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.14.3-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.14.5-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.14.6-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.15-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.15.1-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.15.2-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.15.3-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.15.4-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.15.5-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.15.6-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.15~rc7-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.16-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.16.1-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.16.10-1 | No fix listed |
| debian/linux(Debian:12) | = 6.16.11-1 | No fix listed |
| debian/linux(Debian:12) | = 6.16.12-1 | No fix listed |
| debian/linux(Debian:12) | = 6.16.12-1~bpo13+1 | No fix listed |
| debian/linux(Debian:12) | = 6.16.12-2 | No fix listed |
| debian/linux(Debian:12) | = 6.16.3-1 | No fix listed |
| debian/linux(Debian:12) | = 6.16.3-1~bpo13+1 | No fix listed |
| debian/linux(Debian:12) | = 6.16.5-1 | No fix listed |
| debian/linux(Debian:12) | = 6.16.6-1 | No fix listed |
| debian/linux(Debian:12) | = 6.16.7-1 | No fix listed |
| debian/linux(Debian:12) | = 6.16.8-1 | No fix listed |
| debian/linux(Debian:12) | = 6.16.9-1 | No fix listed |
| debian/linux(Debian:12) | = 6.16~rc7-1~exp1 | No fix listed |
| debian/linux(Debian:12) | = 6.17.10-1 | No fix listed |
| debian/linux(Debian:12) | = 6.17.11-1 | No fix listed |
| debian/linux(Debian:12) | = 6.17.12-1 | No fix listed |
| debian/linux(Debian:12) | = 6.17.13-1 | No fix listed |
| debian/linux(Debian:12) | = 6.17.13-1~bpo13+1 | No fix listed |
References
- Debian Security Tracker CVE-2018-1121 vendor-advisory
- Ubuntu CVE tracker vendor-advisory
- www.cve.org
- [oss-security] 20180517 Qualys Security Advisory - Procps-ng Audit Report exploit mailing-list third-party-advisory
- 104214 third-party-advisory vdb-entry
- bugzilla.redhat.com issue-tracking third-party-advisory
- 44806 exploit third-party-advisory vdb-entry
- www.qualys.com exploit third-party-advisory