CVE-2018-11056 — RSA BSAFE Micro Edition Suite, prior to 4
RSA BSAFE Micro Edition Suite, prior to 4.1.6.1 (in 4.1.x), and RSA BSAFE Crypto-C Micro Edition versions prior to 4.0.5.3 (in 4.0.x) contain an Uncontrolled Resource Consumption ('Resource Exhaustion') vulnerability when parsing ASN.1 data. A remote attacker could use
Published
2018-08-31T18:00:00.000Z
Last modified
2024-08-05T07:54:36.548Z
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
01What is this vulnerability?
RSA BSAFE Micro Edition Suite, prior to 4.1.6.1 (in 4.1.x), and RSA BSAFE Crypto-C Micro Edition versions prior to 4.0.5.3 (in 4.0.x) contain an Uncontrolled Resource Consumption ('Resource Exhaustion') vulnerability when parsing ASN.1 data. A remote attacker could use maliciously constructed ASN.1 data that would exhaust the stack, potentially causing a Denial Of Service.
02Affected products
| Vendor | Product | Versions |
|---|
| RSA | BSAFE Micro Edition Suite | unspecified |
| RSA | BSAFE Crypto | C Micro Edition — unspecified |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2018-08-31T18:00:00.000Z
- Last modified: 2024-08-05T07:54:36.548Z
09References
- seclists.org — http://seclists.org/fulldisclosure/2018/Aug/46
- www.oracle.com — https://www.oracle.com/security-alerts/cpuapr2020.html
- www.oracle.com — https://www.oracle.com/security-alerts/cpujul2020.html
- www.oracle.com — https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- www.oracle.com — https://www.oracle.com/security-alerts/cpujan2020.html
- www.oracle.com — https://www.oracle.com/security-alerts/cpuoct2020.html
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