Vulnerability Description
The X509_cmp_time function in crypto/x509/x509_vfy.c in OpenSSL before 0.9.8zg, 1.0.0 before 1.0.0s, 1.0.1 before 1.0.1n, and 1.0.2 before 1.0.2b allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted length field in ASN1_TIME data, as demonstrated by an attack against a server that supports client authentication with a custom verification callback.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openssl | Openssl | <= 0.9.8zf |
| Oracle | Sparc-Opl Service Processor | <= 1121 |
Related Weaknesses (CWE)
References
- http://fortiguard.com/advisory/openssl-vulnerabilities-june-2015
- http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2015-008.txt.asc
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10694
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10733
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160436.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160647.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00007.html
FAQ
What is CVE-2015-1789?
CVE-2015-1789 is a vulnerability with a CVSS score of 7.5 (HIGH). The X509_cmp_time function in crypto/x509/x509_vfy.c in OpenSSL before 0.9.8zg, 1.0.0 before 1.0.0s, 1.0.1 before 1.0.1n, and 1.0.2 before 1.0.2b allows remote attackers to cause a denial of service (...
How severe is CVE-2015-1789?
CVE-2015-1789 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-1789?
Check the references section above for vendor advisories and patch information. Affected products include: Openssl Openssl, Oracle Sparc-Opl Service Processor.