Vulnerability in FreeBSD
CVE-2010-4755
The (1) remote_glob function in sftp-glob.c and the (2) process_put function in sftp.c in OpenSSH 5.8 and earlier, as used in FreeBSD 7.3 and 8.1, NetBSD 5.0.2, OpenBSD 4.7, and other products, allow remote authenticated users to cause a denial of service (CPU and memory consumption) via crafted glob expressions that do not match any pathnames, as demonstrated by glob expressions in SSH_FXP_STAT requests to an sftp daemon, a different vulnerability than CVE-2010-2632.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.0 (Medium). Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.078 (94.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.078 · newest: 0.078 · change: 0.000
Affected products
- FreeBSD — versions 7.3, 8.1
- NetBSD — versions 5.0.2
- OpenBSD — versions 4.7
- OpenBSD OpenSSH — versions 1.2, 1.2.1, 1.2.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cvsweb.netbsd.org/cgi-bin/cvsweb.cgi/src/crypto/dist/ssh/Attic/sftp.c (Patch)
- securityreason.com/achievement_securityalert/89 (Exploit, third-party-advisory)
- securityreason.com/exploitalert/9223 (Exploit)
- cvsweb.netbsd.org/cgi-bin/cvsweb.cgi/src/crypto/dist/ssh/Attic/sftp-glob.c (Patch)
- cxib.net/stuff/glob-0day.c (Exploit)
- ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2010-008.txt.asc (vendor-advisory, Vendor Advisory)
- securityreason.com/securityalert/8116 (third-party-advisory)
Frequently asked questions
- What is CVE-2010-4755?
- CVE-2010-4755 is a vulnerability in FreeBSD, classified under CWE-399. Published 2011-03-02.
- Is CVE-2010-4755 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.