ssl/s3_pkt.c in OpenSSL before 0.9.8i allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a DTLS ChangeCipherSpec packet that occurs before ClientHello.
Published 2009-06-04 16:30:00
Updated 2024-02-07 18:03:30
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2009-1386

6.51%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 93 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2009-1386

  • OpenSSL DTLS ChangeCipherSpec Remote DoS
    Disclosure Date: 2000-04-26
    First seen: 2020-04-26
    auxiliary/dos/ssl/dtls_changecipherspec
    This module performs a Denial of Service Attack against Datagram TLS in OpenSSL version 0.9.8i and earlier. OpenSSL crashes under these versions when it receives a ChangeCipherspec Datagram before a ClientHello. Authors: - Jon Oberheide <jon@oberheide.org> - the

CVSS scores for CVE-2009-1386

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
NIST

CWE ids for CVE-2009-1386

  • A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2009-1386

Products affected by CVE-2009-1386

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