RCE in Busybox
CVE-2017-16544
In the add_match function in libbb/lineedit.c in BusyBox through 1.27.2, the tab autocomplete feature of the shell, used to get a list of filenames in a directory, does not sanitize filenames and results in executing any escape sequence in…
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.012 (79.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Busybox
- Redlion N-tron_702m12-w
- Redlion N-tron_702m12-w_firmware
- Redlion N-tron_702-w
- Redlion N-tron_702-w_firmware
- Vmware Esxi — versions 6.0, 6.5, 6.7
- Canonical Ubuntu_linux — versions 14.04, 16.04
- Debian Debian_linux — versions 8.0, 9.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, Exploit, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Exploit, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Exploit, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Exploit, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-16544?
- CVE-2017-16544 is a high-severity vulnerability in Busybox, classified under Code Injection. CVSS score: 8.8/10. Published 2017-11-20.
- How severe is CVE-2017-16544?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2017-16544 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.