Published: 30/11/2012 Updated: 19/12/2012

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Double free vulnerability in the sftp_mkdir function in sftp.c in libssh prior to 0.5.3 allows remote malicious users to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vector than CVE-2012-4559.

Vulnerable Product	Search on Vulmon	Subscribe to Product
libssh libssh 0.5.0
libssh libssh 0.4.8
libssh libssh 0.5.1
libssh libssh
libssh libssh 0.4.7

Multiple vulnerabilities were discovered in libssh by Florian Weimer and Xi Wang: CVE-2012-4559: multiple double free() flaws CVE-2012-4561: multiple invalid free() flaws CVE-2012-4562: multiple improper overflow checks Those could lead to a denial of service by making an SSH client linked to libssh crash, and maybe even arbitrary code exec ...

CWE-399 http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/http://git.libssh.org/projects/libssh.git/commit/?h=v0-5&id=4d8420f3282ed07fc99fc5e930c17df27ef1e9b2 https://bugzilla.redhat.com/show_bug.cgi?id=871612 http://www.debian.org/security/2012/dsa-2577 https://nvd.nist.gov https://www.debian.org/security/./dsa-2577

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CVE-2012-6063

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