CVE-2007-0956: canonical ubuntu_linux

CVSS: 10.0v2.0HighModified

AliasesDEBIAN-CVE-2007-0956

Published 06-04-2007Last modified 07-08-2024

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Vulnerability summary

CVE-2007-0956 is a high (CVSS 10.0) vulnerability in canonical ubuntu_linux. EPSS estimates a 29.84% chance of exploitation in the next 30 days, higher than 98.1% of scored vulnerabilities.

Overall risk

70/100

0100

High · default modelHow is this calculated?

CVSS score

10.0/10

010

High · v2.0 (NVD)

EPSS score

29.84%

0%100%

High · 0.00 pp in 30 days

KEVNot listedIn no KEV catalog

RansomwareNone recordedNo known use recorded

Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 1

DSA-1276-1 OPENSUSE-SU-2024:10899-1 RHSA-2007:0095

Timeline

06-04-2007
PublishedVulnerability first disclosed.
07-08-2024
Last modifiedVulnerability information updated.

Description

The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass authentication and gain system access via a username beginning with a '-' character, a similar issue to CVE-2007-0882.

CVSS metrics

1 score · 1 source · 1 version

v2.010.0

EPSS trend

Probability

29.84%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 29.84% on 18-09-2026

18-09-202618-10-2026

EPSS score

29.84%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-306Missing Authentication for Critical FunctionThe product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Affected systems

Debian2 products

krb5< 1.4.4-8
debian_linuxEOL3.1 | 4.0

Canonical1 product

ubuntu_linuxEOL5.10 | 6.06 | 6.10

Mit1 product

kerberos_5< 1.6.1

3 vendors · 4 products

References

30 links

www.vupen.com/english/advisories/2007/1218VDB EntryX Refsource VUPENThird Party Advisory
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10046VDB EntrySignatureX Refsource OVALBroken LinkThird Party Advisory
www.securityfocus.com/archive/1/464590/100/0/threadedMailing ListX Refsource BUGTRAQThird Party AdvisoryVDB Entry
secunia.com/advisories/24706Third Party AdvisoryX Refsource SECUNIA
secunia.com/advisories/24740Third Party AdvisoryX Refsource SECUNIA
www.redhat.com/support/errata/RHSA-2007-0095.htmlVendor AdvisoryX Refsource REDHATThird Party Advisory
www.kb.cert.org/vuls/id/220816Third Party AdvisoryX Refsource CERT VNUS Government Resource
secunia.com/advisories/24786Third Party AdvisoryX Refsource SECUNIA
www.us-cert.gov/cas/techalerts/TA07-093B.htmlThird Party AdvisoryX Refsource CERTUS Government Resource
www.securityfocus.com/archive/1/464814/30/7170/threadedMailing ListX Refsource BUGTRAQThird Party AdvisoryVDB Entry

Show all 30 references

www.debian.org/security/2007/dsa-1276Vendor AdvisoryX Refsource DEBIANThird Party Advisory
secunia.com/advisories/24735Third Party AdvisoryX Refsource SECUNIA
exchange.xforce.ibmcloud.com/vulnerabilities/33414VDB EntryX Refsource XFThird Party Advisory
web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2007-001-telnetd.txtX Refsource CONFIRMVendor Advisory
www.securitytracker.com/id?1017848VDB EntryX Refsource SECTRACKThird Party Advisory
www.securityfocus.com/bid/23281VDB EntryX Refsource BIDThird Party Advisory
secunia.com/advisories/24750Third Party AdvisoryX Refsource SECUNIA
secunia.com/advisories/24817Third Party AdvisoryX Refsource SECUNIA
secunia.com/advisories/24757Third Party AdvisoryX Refsource SECUNIA
secunia.com/advisories/24755Third Party AdvisoryX Refsource SECUNIA
www.vupen.com/english/advisories/2007/1249VDB EntryX Refsource VUPENThird Party Advisory
sunsolve.sun.com/search/document.do?assetkey=1-26-102867-1Vendor AdvisoryX Refsource SUNALERTBroken Link
lists.suse.com/archive/suse-security-announce/2007-Apr/0001.htmlVendor AdvisoryX Refsource SUSEBroken Link
secunia.com/advisories/24785Third Party AdvisoryX Refsource SECUNIA
www.mandriva.com/security/advisories?name=MDKSA-2007:077Vendor AdvisoryX Refsource MANDRIVAThird Party Advisory
www.ubuntu.com/usn/usn-449-1Vendor AdvisoryX Refsource UBUNTUThird Party Advisory
secunia.com/advisories/24736Third Party AdvisoryX Refsource SECUNIA
www.securityfocus.com/archive/1/464666/100/0/threadedMailing ListX Refsource BUGTRAQThird Party AdvisoryVDB Entry
security.gentoo.org/glsa/glsa-200704-02.xmlVendor AdvisoryX Refsource GENTOOThird Party Advisory
security-tracker.debian.org/tracker/CVE-2007-0956Advisory

Vulnerability summary

Advisory lineage

Timeline

Description

CVSS metrics

EPSS trend

Known exploited

Public exploits

Weaknesses

Affected systems

References

Related vulnerabilities