CVE-2006-6143: canonical ubuntu_linux Access of Uninitialized Pointer
Vulnerability summary
CVE-2006-6143 is a high (CVSS 9.3) Access of Uninitialized Pointer vulnerability in canonical ubuntu_linux. EPSS estimates a 8.12% chance of exploitation in the next 30 days, higher than 94.7% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 10-01-2007PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
The RPC library in Kerberos 5 1.4 through 1.4.4, and 1.5 through 1.5.1, as used in Kerberos administration daemon (kadmind) and other products that use this library, calls an uninitialized function pointer in freed memory, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
8.12%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
+0.20 pp
From 7.92% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Canonical1 product
- ubuntu_linuxEOL6.06 | 6.10
Debian1 product
- krb5< 1.4.4-6
Mit1 product
- kerberos_51.4 | 1.4.1 | 1.4.2 | 1.4.3 | 1.4.4 | 1.5 | 1.5.1
3 vendors · 3 products
References
30 links- www.us-cert.gov/cas/techalerts/TA07-009B.htmlThird Party AdvisoryX Refsource CERTBroken LinkPatchUS Government Resource
- lists.suse.com/archive/suse-security-announce/2007-Jan/0004.htmlVendor AdvisoryX Refsource SUSEBroken Link
Show all 30 references
- www.mandriva.com/security/advisories?name=MDKSA-2007:008Vendor AdvisoryX Refsource MANDRIVAThird Party Advisory
- web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2006-002-rpc.txtX Refsource CONFIRMPatchVendor Advisory
- www.openpkg.com/security/advisories/OpenPKG-SA-2007.006.htmlVendor AdvisoryX Refsource OPENPKGBroken Link
- www.us-cert.gov/cas/techalerts/TA07-109A.htmlThird Party AdvisoryX Refsource CERTBroken LinkUS Government Resource
- www.securityfocus.com/archive/1/456406/100/0/threadedMailing ListX Refsource BUGTRAQBroken LinkThird Party AdvisoryVDB Entry
- lists.apple.com/archives/Security-announce/2007/Apr/msg00001.htmlVendor AdvisoryX Refsource APPLEMailing List