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CVE-2021-38296
DEB
High

Apache Spark supports end-to-end encryption of RPC connections via "spark.authenticate" and "spark.network.crypto.enabled". In versions 3.1…

CVSS
7.5
High
EPSS
0.02
p75
Published
2021-01-01
Updated
2021-01-01
Description

Apache Spark supports end-to-end encryption of RPC connections via "spark.authenticate" and "spark.network.crypto.enabled". In versions 3.1.2 and earlier, it uses a bespoke mutual authentication protocol that allows for full encryption key recovery. After an initial interactive attack, this would allow someone to decrypt plaintext traffic offline. Note that this does not affect security mechanisms controlled by "spark.authenticate.enableSaslEncryption", "spark.io.encryption.enabled", "spark.ssl", "spark.ui.strictTransportSecurity". Update to Apache Spark 3.1.3 or later

Tags · CWE
Pre-auth
CWE-294
CAPEC-60
CAPEC-94
CAPEC-102
CAPEC-509
CAPEC-555
CAPEC-561
CAPEC-644
CAPEC-645
CAPEC-652
CAPEC-701
Affected products
Financial_services_crime_and_compliance_management_studio
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Timeline
2021-01-01
Published
2021-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: N
None (N)
Availability Impact
A: N
None (N)
Exploit indicators
EPSS
0.018 · p75
Known exploited (KEV)
No
MITRE ATT&CK
Inferred via CAPEC
└ via CAPEC-555 · CWE-294
└ via CAPEC-561 · CWE-294
└ via CAPEC-555 · CWE-294
└ via CAPEC-555 · CWE-294
└ via CAPEC-60 · CWE-294
└ via CAPEC-644 · CWE-294
└ via CAPEC-645 · CWE-294
└ via CAPEC-60 · CWE-294
└ via CAPEC-94 · CWE-294
└ via CAPEC-652 · CWE-294
└ via CAPEC-509 · CWE-294
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected products
ProductVendorStatus
apache-sparkTracked
financial_services_crime_and_compliance_management_studio*Tracked
spark*Tracked
Source databases
DEB
CVE