CVE-2013-4207

Published Aug 19, 2013 CVSS 2.0 · 4.3 Medium EPSS 1.8% KEV · Not listed
Description
Buffer overflow in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) via an invalid DSA signature that is not properly handled during computation of a modular inverse and triggers the overflow during a division by zero by the bignum functionality, a different vulnerability than CVE-2013-4206.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-2736-1 putty security update
EUVD EUVD EUVD-2013-4112 Buffer overflow in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) via an invalid DSA signature that is not properly handled during computation of a modular inverse and triggers the overflow during a division by zero by the bignum functionality, a different vulnerability than CVE-2013-4206.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 4:38 PM
Reserved
Jun 12, 2013, 12:00 AM
Status
Modified
Published
Aug 19, 2013, 11:55 PM
Modified
Jun 16, 2026, 11:56 PM