CVE-2014-8517 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 69.1% (pctl 99)
Patch early
A public exploit exists.
Description
The fetch_url function in usr.bin/ftp/fetch.c in tnftp, as used in NetBSD 5.1 through 5.1.4, 5.2 through 5.2.2, 6.0 through 6.0.6, and 6.1 through 6.1.5 allows remote attackers to execute arbitrary commands via a | (pipe) character at the end of an HTTP redirect.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 69.12% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-77 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2014-11-17 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| apple | mac os x |
| netbsd | netbsd |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | tnftp - 'savefile' Arbitrary Command Execution (Metasploit) | 2017-11-03 |
| exploit-db | tnftp (FreeBSD 8/9/10) - 'tnftp' Client Side | 2014-12-02 |
References
- http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-013.txt.asc
- http://lists.apple.com/archives/security-announce/2015/Jan/msg00003.html
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00029.html
- http://seclists.org/oss-sec/2014/q4/459
- http://seclists.org/oss-sec/2014/q4/464
- http://secunia.com/advisories/62028
- http://secunia.com/advisories/62260
- http://support.apple.com/HT204244
- https://security.gentoo.org/glsa/201611-05
- https://www.exploit-db.com/exploits/43112/
- http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-013.txt.asc
- http://lists.apple.com/archives/security-announce/2015/Jan/msg00003.html
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00029.html
- http://seclists.org/oss-sec/2014/q4/459
- http://seclists.org/oss-sec/2014/q4/464
- http://secunia.com/advisories/62028
- http://secunia.com/advisories/62260
- http://support.apple.com/HT204244
- https://security.gentoo.org/glsa/201611-05
- https://www.exploit-db.com/exploits/43112/
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