NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 does not properly check the return value from the OpenSSL 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, a similar vulnerability to CVE-2008-5077.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ntp | Ntp | * | 4.2.4p4 (including) |
| Ntp | Ntp | 4.2.0 (including) | 4.2.0 (including) |
| Ntp | Ntp | 4.2.2 (including) | 4.2.2 (including) |
| Ntp | Ntp | 4.2.4p1 (including) | 4.2.4p1 (including) |
| Ntp | Ntp | 4.2.4p2 (including) | 4.2.4p2 (including) |
| Ntp | Ntp | 4.2.4p3 (including) | 4.2.4p3 (including) |
| Red Hat Enterprise Linux 4 | RedHat | ntp-0:4.2.0.a.20040617-8.el4_7.1 | * |
| Red Hat Enterprise Linux 5 | RedHat | ntp-0:4.2.2p1-9.el5_3.1 | * |
| Ntp | Ubuntu | dapper | * |
| Ntp | Ubuntu | devel | * |
| Ntp | Ubuntu | gutsy | * |
| Ntp | Ubuntu | hardy | * |
| Ntp | Ubuntu | intrepid | * |
| Ntp | Ubuntu | upstream | * |