CVE-2010-4168: Use After Free
First published: Wed Nov 17 2010(Updated: )
Multiple use-after-free vulnerabilities in OpenTTD 1.0.x before 1.0.5 allow (1) remote attackers to cause a denial of service (invalid write and daemon crash) by abruptly disconnecting during transmission of the map from the server, related to network/network_server.cpp; (2) remote attackers to cause a denial of service (invalid read and daemon crash) by abruptly disconnecting, related to network/network_server.cpp; and (3) remote servers to cause a denial of service (invalid read and application crash) by forcing a disconnection during the join process, related to network/network.cpp.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenTTD | =1.0.0 | |
| OpenTTD | =1.0.0-beta1 | |
| OpenTTD | =1.0.0-beta2 | |
| OpenTTD | =1.0.0-beta3 | |
| OpenTTD | =1.0.0-beta4 | |
| OpenTTD | =1.0.0-rc1 | |
| OpenTTD | =1.0.0-rc2 | |
| OpenTTD | =1.0.0-rc3 | |
| OpenTTD | =1.0.1 | |
| OpenTTD | =1.0.1-rc1 | |
| OpenTTD | =1.0.1-rc2 | |
| OpenTTD | =1.0.2 | |
| OpenTTD | =1.0.2-rc1 | |
| OpenTTD | =1.0.3 | |
| OpenTTD | =1.0.3-rc1 | |
| OpenTTD | =1.0.4 | |
| OpenTTD | =1.0.4-rc1 | |
| OpenTTD | =1.0.5-rc1 | |
| OpenTTD | =1.0.5-rc2 | |
| OpenTTD | >=1.0.0<1.0.5 | |
| Fedora | =13 | |
| Fedora | =14 |
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Reference Links
- http://security.openttd.org/en/patch/28.patch
- http://marc.info/?l=oss-security&m=128975491407670&w=2
- http://marc.info/?l=oss-security&m=128984298802678&w=2
- http://vcs.openttd.org/svn/changeset/21182
- http://security.openttd.org/en/CVE-2010-4168
- http://www.vupen.com/english/advisories/2010/2985
- http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052193.html
- http://secunia.com/advisories/42578
- http://www.securityfocus.com/bid/44844
- http://www.vupen.com/english/advisories/2010/3199
- http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052187.html
Frequently Asked Questions
What is the severity of CVE-2010-4168?
CVE-2010-4168 has a medium severity rating as it can lead to denial of service.
How do I fix CVE-2010-4168?
To fix CVE-2010-4168, upgrade OpenTTD to version 1.0.5 or later.
Which versions are affected by CVE-2010-4168?
CVE-2010-4168 affects OpenTTD versions from 1.0.0 to 1.0.4.
What kind of attacks could be executed using CVE-2010-4168?
Attackers could exploit CVE-2010-4168 to cause a crash of the server's daemon through abrupt disconnections.
Is there a patch available for CVE-2010-4168?
Yes, there are patches available to address CVE-2010-4168, but upgrading is recommended.
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- version/openttd/1.0.0-beta4
- version/openttd/1.0.0-rc1
- version/openttd/1.0.0-rc2
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- version/openttd/1.0.1
- version/openttd/1.0.1-rc1
- version/openttd/1.0.1-rc2
- version/openttd/1.0.2
- version/openttd/1.0.2-rc1
- version/openttd/1.0.3
- version/openttd/1.0.3-rc1
- version/openttd/1.0.4
- version/openttd/1.0.4-rc1
- version/openttd/1.0.5-rc1
- version/openttd/1.0.5-rc2
- vendor/fedoraproject
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