CVE-2008-5077
UnknownEPSS 5.19%
Last modified
CVE-2008-5077 is a vulnerability of currently unknown severity. OpenSSL 0.9.8i and earlier does not properly check the return value from the EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys.. EPSS estimates a 5.19% chance of exploitation in the next 30 days.
Description
OpenSSL 0.9.8i and earlier does not properly check the return value from the EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openssl | Openssl | <= 0.9.8h |
| Openssl | Openssl | 0.9.1c |
| Openssl | Openssl | 0.9.2b |
| Openssl | Openssl | 0.9.3 |
| Openssl | Openssl | 0.9.3a |
| Openssl | Openssl | 0.9.4 |
| Openssl | Openssl | 0.9.5 |
| Openssl | Openssl | 0.9.5a |
| Openssl | Openssl | 0.9.6 |
| Openssl | Openssl | 0.9.6a |
| Openssl | Openssl | 0.9.6b |
| Openssl | Openssl | 0.9.6c |
| Openssl | Openssl | 0.9.6d |
| Openssl | Openssl | 0.9.6e |
| Openssl | Openssl | 0.9.6f |
| Openssl | Openssl | 0.9.6g |
| Openssl | Openssl | 0.9.6h |
| Openssl | Openssl | 0.9.6i |
| Openssl | Openssl | 0.9.6j |
| Openssl | Openssl | 0.9.6k |
| Openssl | Openssl | 0.9.6l |
| Openssl | Openssl | 0.9.6m |
| Openssl | Openssl | 0.9.7 |
| Openssl | Openssl | 0.9.7a |
| Openssl | Openssl | 0.9.7b |
| Openssl | Openssl | 0.9.7c |
| Openssl | Openssl | 0.9.7d |
| Openssl | Openssl | 0.9.7e |
| Openssl | Openssl | 0.9.7f |
| Openssl | Openssl | 0.9.7g |
| Openssl | Openssl | 0.9.7h |
| Openssl | Openssl | 0.9.7i |
| Openssl | Openssl | 0.9.7j |
| Openssl | Openssl | 0.9.7k |
| Openssl | Openssl | 0.9.7l |
| Openssl | Openssl | 0.9.8 |
| Openssl | Openssl | 0.9.8a |
| Openssl | Openssl | 0.9.8b |
| Openssl | Openssl | 0.9.8c |
| Openssl | Openssl | 0.9.8d |
| Openssl | Openssl | 0.9.8e |
| Openssl | Openssl | 0.9.8f |
| Openssl | Openssl | 0.9.8g |
References
- http://secunia.com/advisories/33338Vendor Advisory
- http://secunia.com/advisories/33436Vendor Advisory
- http://secunia.com/advisories/33557Vendor Advisory
- http://secunia.com/advisories/33673Vendor Advisory
- http://secunia.com/advisories/33765Vendor Advisory
- http://secunia.com/advisories/34211Vendor Advisory
- http://secunia.com/advisories/35074Vendor Advisory
- http://secunia.com/advisories/35108Vendor Advisory
- http://secunia.com/advisories/39005Vendor Advisory
- http://www.us-cert.gov/cas/techalerts/TA09-133A.htmlUS Government Resource
- http://www.vupen.com/english/advisories/2009/0040Vendor Advisory
- http://www.vupen.com/english/advisories/2009/0289Vendor Advisory
- http://www.vupen.com/english/advisories/2009/0362Vendor Advisory
- http://www.vupen.com/english/advisories/2009/0558Vendor Advisory
- http://www.vupen.com/english/advisories/2009/0904Vendor Advisory
- http://www.vupen.com/english/advisories/2009/0913Vendor Advisory
- http://www.vupen.com/english/advisories/2009/1297Vendor Advisory
- http://www.vupen.com/english/advisories/2009/1338Vendor Advisory
- http://secunia.com/advisories/33338Vendor Advisory
- http://secunia.com/advisories/33436Vendor Advisory
- http://secunia.com/advisories/33557Vendor Advisory
- http://secunia.com/advisories/33673Vendor Advisory
- http://secunia.com/advisories/33765Vendor Advisory
- http://secunia.com/advisories/34211Vendor Advisory
- http://secunia.com/advisories/35074Vendor Advisory
- http://secunia.com/advisories/35108Vendor Advisory
- http://secunia.com/advisories/39005Vendor Advisory
- http://www.us-cert.gov/cas/techalerts/TA09-133A.htmlUS Government Resource
- http://www.vupen.com/english/advisories/2009/0040Vendor Advisory
- http://www.vupen.com/english/advisories/2009/0289Vendor Advisory
- http://www.vupen.com/english/advisories/2009/0362Vendor Advisory
- http://www.vupen.com/english/advisories/2009/0558Vendor Advisory
- http://www.vupen.com/english/advisories/2009/0904Vendor Advisory
- http://www.vupen.com/english/advisories/2009/0913Vendor Advisory
- http://www.vupen.com/english/advisories/2009/1297Vendor Advisory
- http://www.vupen.com/english/advisories/2009/1338Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2008-5077?
OpenSSL 0.9.8i and earlier does not properly check the return value from the EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys.
How severe is CVE-2008-5077?
Severity scoring for CVE-2008-5077 is pending analysis. The EPSS model estimates a 5.19% probability of exploitation in the next 30 days.
How do I fix CVE-2008-5077?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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