Common Weakness Enumeration
CWE-385
AllowedCovert Timing Channel
Abstraction: Base · Status: Incomplete
Covert timing channels convey information by modulating some aspect of system behavior over time, so that the program receiving the information can observe system behavior and infer protected information.
76 vulnerabilities reference this CWE, most recent first.
CVE-2024-25964 (GCVE-0-2024-25964)
Vulnerability from cvelistv5 – Published: 2024-03-25 08:13 – Updated: 2024-08-23 18:53
VLAI
EPSS
VEX
Summary
Dell PowerScale OneFS 9.5.0.x through 9.7.0.x contain a covert timing channel vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability, leading to denial of service.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-385 - Covert Timing Channel
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00022269… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | PowerScale OneFS |
Affected:
9.5.0.0 , ≤ 9.5.0.6
(semver)
Affected: 9.6.1.0 , ≤ 9.7.0.0 (semver) |
|
| dell | powerscale_onefs |
Affected:
9.5.0.0 , ≤ 9.5.0.6
(custom)
Affected: 9.6.1 , ≤ 9.7.0.0 (custom) cpe:2.3:a:dell:powerscale_onefs:9.5.0.0:*:*:*:*:*:*:* cpe:2.3:a:dell:powerscale_onefs:9.6.1:*:*:*:*:*:*:* |
Date Public
2024-03-04 06:30
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CVE-2024-23342 (GCVE-0-2024-23342)
Vulnerability from cvelistv5 – Published: 2024-01-22 23:09 – Updated: 2025-05-30 14:21
VLAI
EPSS
VEX
Title
python-ecdsa vulnerable to Minerva attack on P-256
Summary
The `ecdsa` PyPI package is a pure Python implementation of ECC (Elliptic Curve Cryptography) with support for ECDSA (Elliptic Curve Digital Signature Algorithm), EdDSA (Edwards-curve Digital Signature Algorithm) and ECDH (Elliptic Curve Diffie-Hellman). Versions 0.18.0 and prior are vulnerable to the Minerva attack. As of time of publication, no known patched version exists.
Severity
7.4 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/tlsfuzzer/python-ecdsa/securit… | x_refsource_CONFIRM |
| https://github.com/tlsfuzzer/python-ecdsa/blob/ma… | x_refsource_MISC |
| https://minerva.crocs.fi.muni.cz/ | x_refsource_MISC |
| https://securitypitfalls.wordpress.com/2018/08/03… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| tlsfuzzer | python-ecdsa |
Affected:
<= 0.18.0
|
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CVE-2024-13176 (GCVE-0-2024-13176)
Vulnerability from cvelistv5 – Published: 2025-01-20 13:29 – Updated: 2026-03-18 16:49
VLAI
EPSS
VEX
Title
Timing side-channel in ECDSA signature computation
Summary
Issue summary: A timing side-channel which could potentially allow recovering
the private key exists in the ECDSA signature computation.
Impact summary: A timing side-channel in ECDSA signature computations
could allow recovering the private key by an attacker. However, measuring
the timing would require either local access to the signing application or
a very fast network connection with low latency.
There is a timing signal of around 300 nanoseconds when the top word of
the inverted ECDSA nonce value is zero. This can happen with significant
probability only for some of the supported elliptic curves. In particular
the NIST P-521 curve is affected. To be able to measure this leak, the attacker
process must either be located in the same physical computer or must
have a very fast network connection with low latency. For that reason
the severity of this vulnerability is Low.
The FIPS modules in 3.4, 3.3, 3.2, 3.1 and 3.0 are affected by this issue.
Severity
4.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-385 - Covert Timing Channel
Assigner
References
13 references
Impacted products
Date Public
2025-01-20 14:00
Credits
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CVE-2024-11862 (GCVE-0-2024-11862)
Vulnerability from cvelistv5 – Published: 2024-11-27 14:35 – Updated: 2024-11-27 14:53
VLAI
EPSS
VEX
Summary
Non constant time cryptographic operation in Devolutions.XTS.NET 2024.11.19 and earlier allows an attacker to render half of the encryption key obsolete via a timing attacks
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-385 - Covert Timing Channel
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Devolutions | XTS.NET |
Affected:
0 , < 2024.11.26
(custom)
|
Credits
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CVE-2024-2236 (GCVE-0-2024-2236)
Vulnerability from cvelistv5 – Published: 2024-03-06 22:07 – Updated: 2026-02-25 19:22
VLAI
EPSS
VEX
Title
Libgcrypt: vulnerable to marvin attack
Summary
A timing-based side-channel flaw was found in libgcrypt's RSA implementation. This issue may allow a remote attacker to initiate a Bleichenbacher-style attack, which can lead to the decryption of RSA ciphertexts.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-385 - Covert Timing Channel
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2024:9404 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2025:3530 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2025:3534 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2024-2236 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2245218 | issue-trackingx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2268268 | issue-trackingx_refsource_REDHATx_transferred |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Affected:
0 , < 9.4.0
(semver)
|
|||
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.10.0-11.el9 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:9::baseos cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support |
Unaffected:
0:1.10.0-10.el9_2.1 , < *
(rpm)
cpe:/o:redhat:rhel_eus:9.2::baseos cpe:/a:redhat:rhel_eus:9.2::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support |
Unaffected:
0:1.10.0-10.el9_4.1 , < *
(rpm)
cpe:/o:redhat:rhel_eus:9.4::baseos cpe:/a:redhat:rhel_eus:9.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
Date Public
2024-03-06 00:00
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CVE-2023-49092 (GCVE-0-2023-49092)
Vulnerability from cvelistv5 – Published: 2023-11-28 20:57 – Updated: 2024-11-27 16:03
VLAI
EPSS
VEX
Title
RustCrypto/RSA vulnerable to a Marvin Attack via key recovery through timing sidechannels
Summary
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Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-385 - Covert Timing Channel
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/RustCrypto/RSA/security/adviso… | x_refsource_CONFIRM |
| https://github.com/RustCrypto/RSA/issues/19#issue… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| RustCrypto | RSA |
Affected:
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CVE-2023-33855 (GCVE-0-2023-33855)
Vulnerability from cvelistv5 – Published: 2024-03-26 14:04 – Updated: 2024-08-05 16:12
VLAI
EPSS
VEX
Title
IBM Common Cryptographic Architecture information disclosure
Summary
Under certain conditions, RSA operations performed by IBM Common Cryptographic Architecture (CCA) 7.0.0 through 7.5.36 may exhibit non-constant-time behavior. This could allow a remote attacker to obtain sensitive information using a timing-based attack. IBM X-Force ID: 257676.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-385 - Covert Timing Channel
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7145168 | vendor-advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | Common Cryptographic Architecture |
Affected:
7.0.0 , ≤ 7.5.36
(semver)
|
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CVE-2023-3640 (GCVE-0-2023-3640)
Vulnerability from cvelistv5 – Published: 2023-07-24 15:19 – Updated: 2026-06-26 10:05
VLAI
EPSS
VEX
Title
Kernel: x86/mm: a per-cpu entry area leak was identified through the init_cea_offsets function when prefetchnta and prefetcht2 instructions being used for the per-cpu entry area mapping to the user space
Summary
A possible unauthorized memory access flaw was found in the Linux kernel's cpu_entry_area mapping of X86 CPU data to memory, where a user may guess the location of exception stacks or other important data. Based on the previous CVE-2023-0597, the 'Randomize per-cpu entry area' feature was implemented in /arch/x86/mm/cpu_entry_area.c, which works through the init_cea_offsets() function when KASLR is enabled. However, despite this feature, there is still a risk of per-cpu entry area leaks. This issue could allow a local user to gain access to some important data with memory in an expected location and potentially escalate their privileges on the system.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-385 - Covert Timing Channel
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2023:6583 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-3640 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2217523 | issue-trackingx_refsource_REDHAT |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:5.14.0-362.8.1.el9_3 , < *
(rpm)
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|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
Date Public
2023-06-23 00:00
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CVE-2022-24409 (GCVE-0-2022-24409)
Vulnerability from cvelistv5 – Published: 2022-02-23 21:30 – Updated: 2024-09-17 00:05
VLAI
EPSS
VEX
Summary
Dell BSAFE SSL-J contains remediation for a covert timing channel vulnerability that may be exploited by malicious users to compromise the affected system. Only customers with active BSAFE maintenance contracts can receive details about this vulnerability. Public disclosure of the vulnerability details will be shared at a later date.
Severity
5.9 (Medium)
CWE
- CWE-385 - Covert Timing Channel
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00019631… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | Dell BSAFE SSL-J |
Affected:
5.1 , < unspecified
(custom)
Affected: unspecified , < 6.4 (custom) |
Date Public
2022-02-15 00:00
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CVE-2020-35166 (GCVE-0-2020-35166)
Vulnerability from cvelistv5 – Published: 2022-07-11 19:25 – Updated: 2024-09-17 01:56
VLAI
EPSS
VEX
Summary
Dell BSAFE Crypto-C Micro Edition, versions before 4.1.5, and Dell BSAFE Micro Edition Suite, versions before 4.6, contain an Observable Timing Discrepancy Vulnerability.
Severity
5.1 (Medium)
CWE
- CWE-385 - Covert Timing Channel
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00018111… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | BSAFE Crypto-C Micro Edition |
Affected:
0 , < 4.1.5
(semver)
|
|
| Dell | Dell BSAFE Micro Edition Suite |
Affected:
0 , < 4.6
(semver)
|
Date Public
2019-09-10 18:30
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Mitigation
Architecture and Design
Whenever possible, specify implementation strategies that do not introduce time variances in operations.
Mitigation
Implementation
Often one can artificially manipulate the time which operations take or -- when operations occur -- can remove information from the attacker.
Mitigation
Implementation
It is reasonable to add artificial or random delays so that the amount of CPU time consumed is independent of the action being taken by the application.
CAPEC-462: Cross-Domain Search Timing
An attacker initiates cross domain HTTP / GET requests and times the server responses. The timing of these responses may leak important information on what is happening on the server. Browser's same origin policy prevents the attacker from directly reading the server responses (in the absence of any other weaknesses), but does not prevent the attacker from timing the responses to requests that the attacker issued cross domain.