The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c, allows remote attackers to cause a denial of service (crash) via a crafted SSL/TLS handshake that triggers a null dereference.
Published 2004-11-23 05:00:00
Updated 2023-12-28 15:33:30
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Threat overview for CVE-2004-0079

Top countries where our scanners detected CVE-2004-0079
Top open port discovered on systems with this issue 53
IPs affected by CVE-2004-0079 59,003
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2004-0079!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2004-0079

0.57%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2004-0079

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
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
NIST

CWE ids for CVE-2004-0079

  • 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)

Vendor statements for CVE-2004-0079

  • Red Hat 2007-03-14
    Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

References for CVE-2004-0079

Products affected by CVE-2004-0079

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