CVE-2010-4755

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-03-02 · updated 2026-06-16
Weakness: CWE-399

Description

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.

Affected products

FreeBSD: 7.3, 8.1
Netbsd: 5.0.2
OpenBSD: 4.7
OpenSSH: through 5.8; 1.2, 1.2.1, 1.2.2, 1.2.3, 1.2.27, 1.3 (+73)

References

http://cvsweb.netbsd.org/cgi-bin/cvsweb.cgi/src/crypto/dist/ssh/Attic/sftp-glob.c#rev1.13.12.1
http://cvsweb.netbsd.org/cgi-bin/cvsweb.cgi/src/crypto/dist/ssh/Attic/sftp.c#rev1.21.6.1
http://cxib.net/stuff/glob-0day.c
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2010-008.txt.asc
http://securityreason.com/achievement_securityalert/89
http://securityreason.com/exploitalert/9223
http://securityreason.com/securityalert/8116
http://cvsweb.netbsd.org/cgi-bin/cvsweb.cgi/src/crypto/dist/ssh/Attic/sftp-glob.c#rev1.13.12.1
http://cvsweb.netbsd.org/cgi-bin/cvsweb.cgi/src/crypto/dist/ssh/Attic/sftp.c#rev1.21.6.1
http://cxib.net/stuff/glob-0day.c
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2010-008.txt.asc
http://securityreason.com/achievement_securityalert/89

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