CVE-2013-4623 The x509parse_crt function in x509.h in PolarSSL 1.1.x before 1.1.7 and 1.2.x before 1.2.8 does not properly parse certificate messages during the SSL/TLS handshake, which allows remote attackers to c...
MediumCVSS 4.3
EPSS 1.9%
- Published
- Updated
- Exploit status
- No public exploit known
Description
The x509parse_crt function in x509.h in PolarSSL 1.1.x before 1.1.7 and 1.2.x before 1.2.8 does not properly parse certificate messages during the SSL/TLS handshake, which allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a certificate message that contains a PEM encoded certificate.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| polarssl | = 1.1.0 | No fix listed |
| polarssl | = 1.1.0-rc0 | No fix listed |
| polarssl | = 1.1.0-rc1 | No fix listed |
| polarssl | = 1.1.1 | No fix listed |
| polarssl | = 1.1.2 | No fix listed |
| polarssl | = 1.1.3 | No fix listed |
| polarssl | = 1.1.4 | No fix listed |
| polarssl | = 1.1.5 | No fix listed |
| polarssl | = 1.1.6 | No fix listed |
| polarssl | = 1.2.0 | No fix listed |
| polarssl | = 1.2.1 | No fix listed |
| polarssl | = 1.2.2 | No fix listed |
| polarssl | = 1.2.3 | No fix listed |
| polarssl | = 1.2.4 | No fix listed |
| polarssl | = 1.2.5 | No fix listed |
| polarssl | = 1.2.6 | No fix listed |
| polarssl | = 1.2.7 | No fix listed |
References
- FEDORA-2013-16317 vendor-advisory
- FEDORA-2013-16356 vendor-advisory
- FEDORA-2013-16258 vendor-advisory
- DSA-2782 vendor-advisory
- 61764 vdb-entry
- bugzilla.redhat.com
- github.com exploit patch
- polarssl.org patch vendor-advisory