CVE-2010-0639: Null Pointer Dereference

Published Feb 15, 2010
·
Updated

The htcpHandleTstRequest function in htcp.c in Squid 2.x before 2.6.STABLE24 and 2.7 before 2.7.STABLE8, and htcp.cc in 3.0 before 3.0.STABLE24, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted packets to the HTCP port.

Affected Software

33 affected components
Squid-Cache Squid=2.0
Squid-Cache Squid=2.1
Squid-Cache Squid=2.2
Squid-Cache Squid=2.3
Squid-Cache Squid=2.4
Squid-Cache Squid=2.5
Squid-Cache Squid=2.6
Squid-Cache Squid=2.7
Squid-Cache Squid=2.7-stable3
Squid-Cache Squid=2.7-stable4
Squid-Cache Squid=3.0
Squid-Cache Squid=3.0.stable1
Squid-Cache Squid=3.0.stable2
Squid-Cache Squid=3.0.stable3
Squid-Cache Squid=3.0.stable4
Squid-Cache Squid=3.0.stable5
Squid-Cache Squid=3.0.stable6
Squid-Cache Squid=3.0.stable7
Squid-Cache Squid=3.0.stable8
Squid-Cache Squid=3.0.stable9
Squid-Cache Squid=3.0.stable11
Squid-Cache Squid=3.0.stable12
Squid-Cache Squid=3.0.stable13
Squid-Cache Squid=3.0.stable14
Squid-Cache Squid=3.0.stable15
Squid-Cache Squid=3.0.stable16
Squid-Cache Squid=3.0.stable17
Squid-Cache Squid=3.0.stable18
Squid-Cache Squid=3.0.stable19
Squid-Cache Squid=3.0.stable20
Squid-Cache Squid=3.0.stable21
Squid-Cache Squid=3.0.stable22
Squid-Cache Squid=3.0.stable23

Event History

Feb 15, 2010
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description
Data Sourced
via NVD·06:30 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2010-0639?

CVE-2010-0639 is classified as a Medium severity vulnerability due to its potential to cause denial of service.

2

How do I fix CVE-2010-0639?

To address CVE-2010-0639, upgrade to Squid versions 2.6.STABLE24, 2.7.STABLE8, or 3.0.STABLE24, or later.

3

What impact does CVE-2010-0639 have on my system?

CVE-2010-0639 can lead to a denial of service condition, causing the Squid daemon to crash.

4

What versions are affected by CVE-2010-0639?

CVE-2010-0639 affects Squid versions before 2.6.STABLE24, 2.7.STABLE8, and 3.0.STABLE24.

5

Is CVE-2010-0639 exploitable remotely?

Yes, CVE-2010-0639 can be exploited by remote attackers sending crafted packets to the HTCP port.

Contact

SecAlerts Pty Ltd.
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Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
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