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CVE-2008-0948

28
FAUCET Score

CVE-2008-0948 describes a buffer overflow vulnerability in the RPC library of MIT Kerberos 5, affecting versions before 1.3, specifically when unistd.h does not define FD_SETSIZE. This flaw allows remote attackers to trigger a denial of service (crash) and potentially execute arbitrary code by manipulating the number of open file descriptors. With a CVSS score of 9.3 (Critical), the vulnerability is network-exploitable with medium attack complexity, leading to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.2.2CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.2.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
7.27%
Probability of exploitation in next 30 days
EPSS Percentile
93.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0727 is in the 71st percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 2.1Fixed in: krb5-0:1.2.2-48
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: krb5-0:1.2.7-68
View patch

Vendor Advisories (1)

redhatCVE-2008-0948Moderate

krb5: incorrect handling of high-numbered file descriptors in RPC library

Mar 18, 2008

References

lists.opensuse.org / opensuse-security-announce/2008-03/msg00006.html
marc.info
secunia.com / advisories/29423
secunia.com / advisories/29424
secunia.com / advisories/29428
Vendor Advisory
secunia.com / advisories/29663
secunia.com / advisories/30535
securityreason.com / securityalert/3752
exchange.xforce.ibmcloud.com / vulnerabilities/41274
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9209
support.novell.com / docs/Readmes/InfoDocument/patchbuilder/readme_5022520.html
support.novell.com / docs/Readmes/InfoDocument/patchbuilder/readme_5022542.html
web.mit.edu / kerberos/advisories/MITKRB5-SA-2008-002.txt
kb.cert.org / vuls/id/374121
US Government Resource
redhat.com / support/errata/RHSA-2008-0181.html
securityfocus.com / archive/1/489762/100/0/threaded
securityfocus.com / archive/1/489784/100/0/threaded
securityfocus.com / archive/1/493080/100/0/threaded
securityfocus.com / bid/28302
securitytracker.com / id
us-cert.gov / cas/techalerts/TA08-079B.html
US Government Resource
vmware.com / security/advisories/VMSA-2008-0009.html
vupen.com / english/advisories/2008/0922/references
vupen.com / english/advisories/2008/1102/references
vupen.com / english/advisories/2008/1744