CVE-2020-7226
HIGH
7.5
CVSS Score
Published: January 24, 2020 at 02:17 PM UTC
Updated: June 17, 2026 at 03:24 AM UTC
4 products affected across 2 vendorsWebLogic ServerWebCenter SitesCommunications Services Gatekeeper
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Severity
HIGH7.5
Exploit prediction
EPSS 3%
Description
CiphertextHeader.java in Cryptacular 1.2.3, as used in Apereo CAS and other products, allows attackers to trigger excessive memory allocation during a decode operation, because the nonce array length associated with "new byte" may depend on untrusted input within the header of encoded data.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.1.41.2.0 ≤ v < 1.2.4
Affected range stops below 1.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.2.4, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://github.com/apereo/cas/commit/8810f2b6c71d73341d4dde6b09a18eb46cfd6d45
- https://github.com/apereo/cas/commit/93b1c3e9d90e36a19d0fa0f6efb863c6f0235e75
- https://github.com/apereo/cas/commit/a042808d6adbbf44753d52c55cac5f533e24101f
- https://github.com/apereo/cas/pull/4685
- https://www.oracle.com/security-alerts/cpuapr2022.html
References (19)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/apereo/cas/commit/8810f2b6c71d73341d4dde6b09a18eb46cfd6d45x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/apereo/cas/commit/93b1c3e9d90e36a19d0fa0f6efb863c6f0235e75x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/apereo/cas/commit/a042808d6adbbf44753d52c55cac5f533e24101fx_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/apereo/cas/pull/4685x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/vt-middleware/cryptacular/blob/fafccd07ab1214e3588a35afe3c361519129605f/src/main/java/org/cryptacular/CiphertextHeader.java#L153x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/vt-middleware/cryptacular/blob/master/src/main/java/org/cryptacular/CiphertextHeader.java#L153x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/vt-middleware/cryptacular/issues/52Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r0847c7eb78c8f9e87d5b841fbd5da52b2ad4b4345e04b51c30621d88%40%3Ccommits.tomee.apache.org%3ECVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-770
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