CVE-2002-1221
UnknownEPSS 7.57%
Last modified
CVE-2002-1221 is a vulnerability of currently unknown severity. BIND 8.x through 8.3.3 allows remote attackers to cause a denial of service (crash) via SIG RR elements with invalid expiry times, which are removed from the internal BIND database and later cause a null dereference.. EPSS estimates a 7.57% chance of exploitation in the next 30 days.
Description
BIND 8.x through 8.3.3 allows remote attackers to cause a denial of service (crash) via SIG RR elements with invalid expiry times, which are removed from the internal BIND database and later cause a null dereference.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Isc | Bind | 8.1 |
| Isc | Bind | 8.1.1 |
| Isc | Bind | 8.1.2 |
| Isc | Bind | 8.2 |
| Isc | Bind | 8.2.1 |
| Isc | Bind | 8.2.2 |
| Isc | Bind | 8.2.3 |
| Isc | Bind | 8.2.4 |
| Isc | Bind | 8.2.5 |
| Isc | Bind | 8.2.6 |
| Isc | Bind | 8.3.0 |
| Isc | Bind | 8.3.1 |
| Isc | Bind | 8.3.2 |
| Isc | Bind | 8.3.3 |
| Freebsd | Freebsd | 4.4 |
| Freebsd | Freebsd | 4.5 |
| Freebsd | Freebsd | 4.6 |
| Freebsd | Freebsd | 4.7 |
| Openbsd | Openbsd | 3.0 |
| Openbsd | Openbsd | 3.1 |
| Openbsd | Openbsd | 3.2 |
References
- http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=21469Patch, Vendor Advisory
- http://www.cert.org/advisories/CA-2002-31.htmlUS Government Resource
- http://www.isc.org/products/BIND/bind-security.htmlPatch, Vendor Advisory
- http://www.kb.cert.org/vuls/id/581682US Government Resource
- http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=21469Patch, Vendor Advisory
- http://www.cert.org/advisories/CA-2002-31.htmlUS Government Resource
- http://www.isc.org/products/BIND/bind-security.htmlPatch, Vendor Advisory
- http://www.kb.cert.org/vuls/id/581682US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2002-1221?
BIND 8.x through 8.3.3 allows remote attackers to cause a denial of service (crash) via SIG RR elements with invalid expiry times, which are removed from the internal BIND database and later cause a null dereference.
How severe is CVE-2002-1221?
Severity scoring for CVE-2002-1221 is pending analysis. The EPSS model estimates a 7.57% probability of exploitation in the next 30 days.
How do I fix CVE-2002-1221?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2002-1221?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST