CVE-2009-1386 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 80.1% (pctl 100)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 80.13% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-476 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-06-04 |
| Last modified | 2026-06-16 |
Affected (3)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| openssl | openssl |
| redhat | openssl |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | OpenSSL < 0.9.8i - DTLS ChangeCipherSpec Remote Denial of Service | 2009-06-04 |
References
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-009.txt.asc
- http://cvs.openssl.org/chngview?cn=17369
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02029444
- http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
- http://lists.vmware.com/pipermail/security-announce/2010/000082.html
- http://rt.openssl.org/Ticket/Display.html?id=1679&user=guest&pass=guest
- http://secunia.com/advisories/35571
- http://secunia.com/advisories/35685
- http://secunia.com/advisories/35729
- http://secunia.com/advisories/36533
- http://secunia.com/advisories/38794
- http://secunia.com/advisories/38834
- http://www.openwall.com/lists/oss-security/2009/06/02/1
- http://www.redhat.com/support/errata/RHSA-2009-1335.html
- http://www.securityfocus.com/bid/35174
- http://www.ubuntu.com/usn/USN-792-1
- http://www.vupen.com/english/advisories/2010/0528
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50963
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11179
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7469
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