HIGH
security flaw
Published Mar 18, 2004
7.5
HIGHCVSS 3.1
EPSS 9.54%
Description
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.
Affected products
No data.
Configuration 1
OR
- n/a
- 1.1.2
- 1.1.3
- 1.1_\(3.005\)
- 2.1_\(0.208\)
- n/a
- 2.0.43.00
- 2.0.43.04
- 5.0
Configuration 2
OR
- 2.1
- 2.2
- 2.0
- 4.4
- 4.31.29
- 4.4
- 4.31.29
- n/a
- 4.4
- 4.2
- 4.3
- 4.4
- 10.3.3
- 10.3.3
- 4.8
- 4.8
- 4.9
- 5.1
- 5.1
- 5.1
- 5.2
- 5.2.1
- 8.05
- 11.00
- 11.11
- 11.23
- 3.3
- 3.4
- 3.0
- 3.0
- 3.0
- 3.0
- 7.2
- 7.3
- 8.0
- 5.0.6
- 5.0.7
Configuration 3
AND
OR
- 4.0
- 5.2
- 5.2.1
- 5.2.2
- 5.2.3
- 5.2.4
- 5.3
- 5.3.1
- n/a
- 5.1.46
- s3210
- s3400
- 5
- 5x
- 100_r2.0.1
- 500
- 2000_r2.0.1
- 5000_r2.0.1
- 7500_r2.0.1
- 10000_r2.0.1
- n/a
- 2.0
- next_generation_fp0
- next_generation_fp1
- next_generation_fp2
- 4.1
- 4.1
- 4.1
- 4.1
- 4.1
- next_generation_fp0
- next_generation_fp1
- next_generation_fp2
- vsx_ng_with_application_intelligence
- n/a
- n/a
- 1.0
- 2.0
- n/a
- 3.2
- 6.2.2_.111
- n/a
- 6.10
- 6.10_b4
- 7.1_0.1.02
- 7.1_0.2.06
- 7.2_0.0.03
- 7.10
- 7.10_.0.06s
- 3.0
- 3.0.1
- 3.1
- a.01.05.08
- a.02.00.00
- a.02.00.01
- 1.0.1
- 1.0.2
- 1.0.3
- 1.1
- 1.1.1
- 1.2.1
- 1.2.2
- 1.2_rc1
- 1.2_rc2
- 1.3
- 1.3.1
- 1.3_rc1
- 1.3_rc2
- 1.3_rc3
- 3.0
- 3.1
- 3.2
- 3.3
- 3.3.1
- 8.0
- 8.5
- 8.5.12a
- 8.5.27
- 8.6.2
- 8.7
- 8.7.1
- 8.7.1
- 1.5
- 2.0
- 0.9.6c
- 0.9.6d
- 0.9.6e
- 0.9.6f
- 0.9.6g
- 0.9.6h
- 0.9.6i
- 0.9.6j
- 0.9.6k
- 0.9.7
- 0.9.7
- 0.9.7
- 0.9.7
- 0.9.7a
- 0.9.7b
- 0.9.7c
- 0.9.6-15
- 0.9.6b-3
- 0.9.7a-2
- 0.9.7a-2
- 0.9.7a-2
- 2.3
- 2.4
- 3.0
- 2.5
- 2.5.2
- 1_2.0
- 1_3.0
- 2.0
- 2.5
- 3.0
- 2.0
- 2.5
- 2.0
- 2.5
- 1.5.17
- 1.5.18
- 1.6.2
- 1.6.3
- 1.7
- 1.7.1
- 1.7.2
- 2.0.1
- 2.0.4
- 2.0.5
- 2.0.6
- 2.0.7
- 2.0.8
- 2.0.9
- 2.1
- 2.2
- 2.2.1
- 2.2.4
- 1.7
- 1.7.2
- 2.0
- 2.0.7
- 2.0.8
- 2.0.9
- 3.20
- 3.30
- 3.40
- 2.0
- 2.0.1_build_2129
- 2.5.1
- 2.5.1_build_5336
- 3.0_build_7592
- r2.0.0
- r2.0.1
- r2.0.0
- r2.0.1
- r2.0.0
- r2.0.1
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- 10000
- 5.2
- 5.2.0.01
- 5.2.0.02
- 5.2.0.03
- 5.2.0.04
- 5.2.1
- 5.2.1.02
- 1.0
- 4.1.10
- 4.1.12
- 6.0
- 6.0\(1\)
- 6.0\(2\)
- 6.0\(3\)
- 6.0\(4\)
- 6.0\(4.101\)
- 6.1
- 6.1\(1\)
- 6.1\(2\)
- 6.1\(3\)
- 6.1\(4\)
- 6.1\(5\)
- 6.2
- 6.2\(1\)
- 6.2\(2\)
- 6.2\(3\)
- 6.2\(3.100\)
- 6.3
- 6.3\(1\)
- 6.3\(2\)
- 6.3\(3.102\)
- 6.3\(3.109\)
No data.
Red Hat Enterprise Linux 3
openssl-0:0.9.7a-33.4
Fixed · RHSA-2004:120
Red Hat Enterprise Linux 3
openssl096b-0:0.9.6b-16
Fixed · RHSA-2004:120
Red Hat Enterprise Linux 3
openssl096b-0:0.9.6b-16.42
Fixed · RHSA-2005:830
Red Hat Enterprise Linux 4
openssl096b-0:0.9.6b-22.42
Fixed · RHSA-2005:830
Red Hat Enterprise Linux AS (Advanced Server) version 2.1
n/a
Fixed · RHSA-2005:829
Red Hat Enterprise Linux ES version 2.1
n/a
Fixed · RHSA-2005:829
Red Hat Enterprise Linux WS version 2.1
n/a
Fixed · RHSA-2005:829
Red Hat Linux 9
n/a
Fixed · RHSA-2004:121
Red Hat Linux Advanced Workstation 2.1
n/a
Fixed · RHSA-2005:829
Red Hat Stronghold 4
n/a
Fixed · RHSA-2004:139
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 3 | openssl-0:0.9.7a-33.4 | Fixed | RHSA-2004:120 |
| Red Hat Enterprise Linux 3 | openssl096b-0:0.9.6b-16 | Fixed | RHSA-2004:120 |
| Red Hat Enterprise Linux 3 | openssl096b-0:0.9.6b-16.42 | Fixed | RHSA-2005:830 |
| Red Hat Enterprise Linux 4 | openssl096b-0:0.9.6b-22.42 | Fixed | RHSA-2005:830 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | n/a | Fixed | RHSA-2005:829 |
| Red Hat Enterprise Linux ES version 2.1 | n/a | Fixed | RHSA-2005:829 |
| Red Hat Enterprise Linux WS version 2.1 | n/a | Fixed | RHSA-2005:829 |
| Red Hat Linux 9 | n/a | Fixed | RHSA-2004:121 |
| Red Hat Linux Advanced Workstation 2.1 | n/a | Fixed | RHSA-2005:829 |
| Red Hat Stronghold 4 | n/a | Fixed | RHSA-2004:139 |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Jan 8, 2024 · SSVC 2.0.3
9.54% 0.09537
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.09537
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 9.54% (0.09537) | 95.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.54% (0.09537) | 94.82th | v5 (v2026.06.15) |
| Jul 16, 2025 | 2.06% (0.02058) | 83.12th | v4 (v2025.03.14) |
| Mar 30, 2025 | 5.67% (0.05674) | 89.45th | v4 (v2025.03.14) |
| Mar 29, 2025 | 13.86% (0.13863) | 90.50th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.95% (0.04948) | 88.92th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.57% (0.00569) | 78.58th | v3 (v2023.03.01) |
| Apr 2, 2024 | 0.57% (0.00569) | 77.43th | v3 (v2023.03.01) |
| Dec 29, 2023 | 0.57% (0.00569) | 75.43th | v3 (v2023.03.01) |
| Sep 24, 2023 | 0.99% (0.00994) | 81.79th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.94% (0.00944) | 80.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.56% (0.07559) | 92.87th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.56% (0.07559) | 92.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.56% (0.07559) | 81.11th | v2 (v2022.01.01) |
Weaknesses (1)
References (49)
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-04:05.openssl.asc vendor-advisoryx_refsource_FREEBSDBroken Link
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-005.txt.asc vendor-advisoryx_refsource_NETBSDBroken Link
- ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.10/SCOSA-2004.10.txt vendor-advisoryx_refsource_SCOBroken Link
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000834 vendor-advisoryx_refsource_CONECTIVABroken Link
- http://docs.info.apple.com/article.html?artnum=61798 x_refsource_CONFIRMBroken Link
- http://fedoranews.org/updates/FEDORA-2004-095.shtml vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.apple.com/archives/security-announce/2005//Aug/msg00001.html vendor-advisoryx_refsource_APPLEMailing List
- http://lists.apple.com/archives/security-announce/2005/Aug/msg00000.html vendor-advisoryx_refsource_APPLEMailing List
- http://lists.apple.com/mhonarc/security-announce/msg00045.html x_refsource_CONFIRMBroken Link
- http://marc.info/?l=bugtraq&m=107953412903636&w=2 mailing-listx_refsource_BUGTRAQMailing List
- http://marc.info/?l=bugtraq&m=108403806509920&w=2 vendor-advisoryx_refsource_HPMailing List
- http://secunia.com/advisories/11139 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/17381 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/17398 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/17401 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/18247 third-party-advisoryx_refsource_SECUNIABroken Link
- http://security.gentoo.org/glsa/glsa-200403-03.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert/57524 vendor-advisoryx_refsource_SUNALERTBroken Link
- http://support.avaya.com/elmodocs2/security/ASA-2005-239.htm x_refsource_CONFIRMThird Party Advisory
- http://support.lexmark.com/index?page=content&id=TE88&locale=EN&userlocale=EN_US x_refsource_CONFIRMBroken Link
- http://www.ciac.org/ciac/bulletins/o-101.shtml third-party-advisorygovernment-resourcex_refsource_CIACBroken Link
- http://www.cisco.com/warp/public/707/cisco-sa-20040317-openssl.shtml vendor-advisoryx_refsource_CISCOBroken Link
- http://www.debian.org/security/2004/dsa-465 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.kb.cert.org/vuls/id/288574 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.linuxsecurity.com/advisories/engarde_advisory-4135.html vendor-advisoryx_refsource_ENGARDEBroken Link
- http://www.mandriva.com/security/advisories?name=MDKSA-2004:023 vendor-advisoryx_refsource_MANDRAKEThird Party Advisory
- http://www.novell.com/linux/security/advisories/2004_07_openssl.html vendor-advisoryx_refsource_SUSEBroken Link
- http://www.openssl.org/news/secadv_20040317.txt x_refsource_CONFIRMThird Party Advisory
- http://www.redhat.com/archives/fedora-announce-list/2005-October/msg00087.html vendor-advisoryx_refsource_FEDORAMailing List
- http://www.redhat.com/support/errata/RHSA-2004-120.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.redhat.com/support/errata/RHSA-2004-121.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.redhat.com/support/errata/RHSA-2004-139.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.redhat.com/support/errata/RHSA-2005-829.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.redhat.com/support/errata/RHSA-2005-830.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.securityfocus.com/bid/9899 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB EntryVendor Advisory
- http://www.slackware.org/security/viewer.php?l=slackware-security&y=2004&m=slackware-security.455961 vendor-advisoryx_refsource_SLACKWAREBroken Link
- http://www.trustix.org/errata/2004/0012 vendor-advisoryx_refsource_TRUSTIXBroken Link
- http://www.uniras.gov.uk/vuls/2004/224012/index.htm x_refsource_MISCBroken Link
- http://www.us-cert.gov/cas/techalerts/TA04-078A.html third-party-advisoryx_refsource_CERTBroken LinkThird Party AdvisoryUS Government Resource
- https://access.redhat.com/security/cve/CVE-2004-0079 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1617140 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/15505 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2004-0079
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2621 vdb-entrysignaturex_refsource_OVALBroken Link
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5770 vdb-entrysignaturex_refsource_OVALBroken Link
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A870 vdb-entrysignaturex_refsource_OVALBroken Link
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A975 vdb-entrysignaturex_refsource_OVALBroken Link
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9779 vdb-entrysignaturex_refsource_OVALBroken Link
- https://www.cve.org/CVERecord?id=CVE-2004-0079
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 18, 2004
Updated Jan 16, 2025
Reserved Jan 19, 2004
Link CVE-2004-0079
CISA Vulnrichment
Updated Jan 8, 2024