CVE-2001-0497
dnskeygen in BIND 8.2.4 and earlier, and dnssec-keygen in BIND 9.1.2 and earlier, set insecure permissions for a HMAC-MD5 shared secret key file used for DNS Transactional Signatures (TSIG), which allows attackers to obtain the keys and perform dynamic…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
dnskeygen in BIND 8.2.4 and earlier, and dnssec-keygen in BIND 9.1.2 and earlier, set insecure permissions for a HMAC-MD5 shared secret key file used for DNS Transactional Signatures (TSIG), which allows attackers to obtain the keys and perform dynamic DNS updates.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.43% probability · 36th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-276
- Affected
- isc/bind
- Source
- cve@mitre.org
References
- http://www.osvdb.org/5609Broken Link
- http://xforce.iss.net/alerts/advise78.phpPatch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6694Third Party Advisory, VDB Entry
- http://www.osvdb.org/5609Broken Link
- http://xforce.iss.net/alerts/advise78.phpPatch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6694Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.