OpenSSL up to 0.9.5 on HP-UX C Bitwise-Shift Operation crypto/rsa/rsa_gen.c cryptographic issue
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in OpenSSL up to 0.9.5 on HP-UX. The affected element is an unknown function of the file crypto/rsa/rsa_gen.c of the component C Bitwise-Shift Operation. Such manipulation leads to cryptographic issue. This vulnerability is listed as CVE-2000-1254. There is no available exploit. The affected component should be upgraded.
Details
A vulnerability was found in OpenSSL up to 0.9.5 on HP-UX (Network Encryption Software) and classified as critical. Affected by this issue is an unknown part of the file crypto/rsa/rsa_gen.c of the component C Bitwise-Shift Operation. The manipulation with an unknown input leads to a cryptographic issue vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality, integrity, and availability. CVE summarizes:
crypto/rsa/rsa_gen.c in OpenSSL before 0.9.6 mishandles C bitwise-shift operations that exceed the size of an expression, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging improper RSA key generation on 64-bit HP-UX platforms.
The weakness was presented 05/05/2016 (Website). The advisory is shared for download at git.openssl.org. This vulnerability is handled as CVE-2000-1254 since 05/04/2016. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1600.
Upgrading to version 0.9.6 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 90109†). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Name
Version
License
Support
- end of life (old version)
Website
- Product: https://www.openssl.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.4VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Cryptographic issueCWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Upgrade: OpenSSL 0.9.6
Patch: db82b8f9bd432a59aea8e1014694e15fc457c2bb
Timeline
05/04/2016 🔍05/04/2016 🔍
05/04/2016 🔍
05/05/2016 🔍
05/05/2016 🔍
07/28/2022 🔍
Sources
Product: openssl.orgAdvisory: git.openssl.org
Status: Not defined
Confirmation: 🔍
CVE: CVE-2000-1254 (🔍)
GCVE (CVE): GCVE-0-2000-1254
GCVE (VulDB): GCVE-100-83408
SecurityFocus: 90109 - OpenSSL CVE-2000-1254 Security Bypass Vulnerability
SecurityTracker: 1035750
Entry
Created: 05/05/2016 17:49Updated: 07/28/2022 10:51
Changes: 05/05/2016 17:49 (61), 11/13/2018 09:52 (4), 07/28/2022 10:51 (6)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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