CVE-2017-3732 (GCVE-0-2017-3732)
Vulnerability from cvelistv5
Published
2017-05-04 19:00
Modified
2024-09-16 22:08
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- carry-propagating bug
Summary
There is a carry propagating bug in the x86_64 Montgomery squaring procedure in OpenSSL 1.0.2 before 1.0.2k and 1.1.0 before 1.1.0d. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect would be very difficult to perform and are not believed likely. Attacks against DH are considered just feasible (although very difficult) because most of the work necessary to deduce information about a private key may be performed offline. The amount of resources required for such an attack would be very significant and likely only accessible to a limited number of attackers. An attacker would additionally need online access to an unpatched system using the target private key in a scenario with persistent DH parameters and a private key that is shared between multiple clients. For example this can occur by default in OpenSSL DHE based SSL/TLS ciphersuites. Note: This issue is very similar to CVE-2015-3193 but must be treated as a separate problem.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| OpenSSL | OpenSSL |
Version: openssl-1.1.0 Version: openssl-1.1.0a Version: openssl-1.1.0b Version: openssl-1.1.0c Version: openssl-1.0.2 Version: openssl-1.0.2a Version: openssl-1.0.2b Version: openssl-1.0.2c Version: openssl-1.0.2d Version: openssl-1.0.2e Version: openssl-1.0.2f Version: openssl-1.0.2g Version: openssl-1.0.2h Version: openssl-1.0.2i Version: openssl-1.0.2j |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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