NULL pointer dereference in 4d Webstar
CVE-2004-0079
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 · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.095 (95.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.095 · newest: 0.095 · change: 0.000
Affected products
- 4d Webstar — versions 4.0, 5.2, 5.2.1
- Apple Mac OS X — versions 10.3.3
- Apple Mac OS X Server — versions 10.3.3
- Avaya Converged Communications Server — versions 2.0
- Avaya Intuity Audix — versions 5.1.46, s3210, s3400
- Avaya S8300 — versions r2.0.0, r2.0.1
- Avaya S8500 — versions r2.0.0, r2.0.1
- Avaya S8700 — versions r2.0.0, r2.0.1
- Avaya Sg200 — versions 4.4, 4.31.29
- Avaya Sg203 — versions 4.4, 4.31.29
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/9899 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, Vendor Advisory)
- www.redhat.com/archives/fedora-announce-list/2005-October/msg00087.html (vendor-advisory, Mailing List)
- www.linuxsecurity.com/advisories/engarde_advisory-4135.html (vendor-advisory, Broken Link)
- marc.info/ (vendor-advisory, Mailing List)
- www.redhat.com/support/errata/RHSA-2004-121.html (vendor-advisory, Broken Link)
- www.mandriva.com/security/advisories (vendor-advisory, Third Party Advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:2621 (Broken Link, signature, vdb-entry)
- distro.conectiva.com.br/atualizacoes/ (vendor-advisory, Broken Link)
- secunia.com/advisories/17381 (Broken Link, third-party-advisory)
- www.uniras.gov.uk/vuls/2004/224012/index.htm (Broken Link)
Frequently asked questions
- What is CVE-2004-0079?
- CVE-2004-0079 is a high-severity vulnerability in 4d Webstar, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2004-11-23.
- How severe is CVE-2004-0079?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2004-0079 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.