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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…

Impact

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

VendorProductAffected versions
OpenbsdOpenssh
through 5.8
Versions 1.2, 1.2.1, 1.2.2, 1.2.3, 1.2.27
FreebsdFreebsd
Versions 7.3, 8.1
NetbsdNetbsd
Version 5.0.2
OpenbsdOpenbsd
Version 4.7

Weakness classification

CWE-399

References