CVE-2003-0543: Integer Overflow
First published: Wed Oct 01 2003(Updated: )
Integer overflow in OpenSSL 0.9.6 and 0.9.7 allows remote attackers to cause a denial of service (crash) via an SSL client certificate with certain ASN.1 tag values.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenSSL libcrypto | =0.9.6 | |
| OpenSSL libcrypto | =0.9.7 |
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Reference Links
- http://www.redhat.com/support/errata/RHSA-2003-291.html
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104893
- http://www.uniras.gov.uk/vuls/2003/006489/openssl.htm
- http://www.redhat.com/support/errata/RHSA-2003-292.html
- http://www.linuxsecurity.com/advisories/engarde_advisory-3693.html
- http://www.debian.org/security/2003/dsa-393
- http://www.debian.org/security/2003/dsa-394
- http://www.cert.org/advisories/CA-2003-26.html
- http://www.kb.cert.org/vuls/id/255484
- http://www-1.ibm.com/support/docview.wss?uid=swg21247112
- http://secunia.com/advisories/22249
- http://www.securityfocus.com/bid/8732
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-201029-1
- http://www.vupen.com/english/advisories/2006/3900
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5292
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4254
Frequently Asked Questions
What is the severity of CVE-2003-0543?
CVE-2003-0543 is considered to have a high severity rating due to its potential to cause denial of service.
What software versions are affected by CVE-2003-0543?
CVE-2003-0543 affects OpenSSL versions 0.9.6 and 0.9.7.
How do I fix CVE-2003-0543?
To fix CVE-2003-0543, upgrade to a later version of OpenSSL that is not vulnerable.
Can CVE-2003-0543 be exploited remotely?
Yes, CVE-2003-0543 can be exploited remotely by sending specially crafted SSL client certificates.
What impact does CVE-2003-0543 have on systems?
CVE-2003-0543 can lead to a denial of service by crashing the affected OpenSSL implementation.
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- vendor/openssl
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- version/openssl libcrypto/0.9.6
- version/openssl libcrypto/0.9.7