CVE-2015-0207
First published: Mon Mar 16 2015(Updated: )
The dtls1_listen function in d1_lib.c in OpenSSL 1.0.2 before 1.0.2a does not properly isolate the state information of independent data streams, which allows remote attackers to cause a denial of service (application crash) via crafted DTLS traffic, as demonstrated by DTLS 1.0 traffic to a DTLS 1.2 server.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/openssl | <1.0.2 | 1.0.2 |
| OpenSSL libcrypto | =1.0.2 | |
| OpenSSL libcrypto | =1.0.2-beta1 | |
| OpenSSL libcrypto | =1.0.2-beta2 | |
| OpenSSL libcrypto | =1.0.2-beta3 |
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Reference Links
- http://marc.info/?l=bugtraq&m=143748090628601&w=2
- http://marc.info/?l=bugtraq&m=144050155601375&w=2
- http://marc.info/?l=bugtraq&m=144050297101809&w=2
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
- http://www.securityfocus.com/bid/73229
- http://www.securitytracker.com/id/1031929
- https://bto.bluecoat.com/security-advisory/sa92
- https://bugzilla.redhat.com/show_bug.cgi?id=1202351
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://git.openssl.org/?p=openssl.git;a=commit;h=819418110b6fff4a7b96f01a5d68f71df3e3b736
- https://kc.mcafee.com/corporate/index?page=content&id=SB10110
- https://security.gentoo.org/glsa/201503-11
- https://www.openssl.org/news/secadv_20150319.txt
- https://openssl.org/news/secadv_20150319.txt
- https://access.redhat.com/articles/1384453
- https://git.openssl.org/?p=openssl.git;a=commitdiff;h=819418110b6fff4a7b96f01a5d68f71df3e3b736
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=819418110b6fff4a7b96f01a5d68f71df3e3b736
Frequently Asked Questions
What is the severity of CVE-2015-0207?
CVE-2015-0207 has a moderate severity rating as it can lead to denial of service through application crashes.
How do I fix CVE-2015-0207?
To fix CVE-2015-0207, upgrade OpenSSL to version 1.0.2a or later.
Which versions of OpenSSL are affected by CVE-2015-0207?
CVE-2015-0207 affects OpenSSL version 1.0.2 and its beta versions up to 1.0.2.
What type of attack does CVE-2015-0207 allow?
CVE-2015-0207 allows attackers to crash applications by sending crafted DTLS traffic.
What is the impact of CVE-2015-0207 on systems using OpenSSL?
The impact of CVE-2015-0207 is primarily a denial of service, causing application instability.
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