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6 vulnerabilities by ChewKeanHo
CVE-2026-85649 (GCVE-0-2026-85649)
Vulnerability from nvd – Published: 2026-09-04 12:59 – Updated: 2026-09-04 17:59
VLAI
EPSS
VEX
Summary
(Holloway) Chew, Kean Ho's Actualizer v1.2.0 and earlier contains a fail-open password validation vulnerability in the Alpha user and root user password loops of Shell/debian-minbase-install.sh. The installer invokes mkpasswd to generate yescrypt password hashes but does not check the command's return value and unconditionally accepts the result. If mkpasswd fails to generate a yescrypt hash, for example because an incompatible mkpasswd implementation or an environment without yescrypt support is used, the resulting password hash variable can be empty and the build proceeds. The resulting image can therefore contain empty password fields for the root and alpha accounts, potentially permitting passwordless authentication depending on the authentication configuration.
Severity
7.9 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 17:59 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ChewKeanHo/software-actualizer… | release-notespatch |
| https://github.com/ChewKeanHo/software-actualizer… | patch |
| https://github.com/ChewKeanHo/software-actualizer… | |
| https://doi.org/10.5281/zenodo.22169659 | technical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| chewkeanho | software-actualizer |
Affected:
0 , ≤ 1.2.0
(semver)
|
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CVE-2025-47276 (GCVE-0-2025-47276)
Vulnerability from nvd – Published: 2025-05-13 15:34 – Updated: 2025-05-13 19:31
VLAI
EPSS
VEX
Title
Actualizer Uses OpenSSL's "-passwd" Function Which Uses SHA512 Under The Hood Instead of Proper Password Hasher like Yescript/Argon2i
Summary
Actualizer is a single shell script solution to allow developers and embedded engineers to create Debian operating systems (OS). Prior to version 1.2.0, Actualizer uses OpenSSL's "-passwd" function, which uses SHA512 instead of a more suitable password hasher like Yescript/Argon2i. All Actualizer users building a full Debian Operating System are affected. Users should upgrade to version 1.2.0 of Actualizer. Existing OS deployment requires manual password changes against the alpha and root accounts. The change will deploy's Debian's yescript overriding the older SHA512 hash created by OpenSSL. As a workaround, users need to reset both `root` and "Alpha" users' passwords.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-13 19:31 UTC
CWE
- CWE-328 - Use of Weak Hash
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/ChewKeanHo/Actualizer/security… | x_refsource_CONFIRM |
| https://github.com/ChewKeanHo/Actualizer/issues/1 | x_refsource_MISC |
| https://github.com/openssl/openssl/issues/19340 | x_refsource_MISC |
| https://github.com/ChewKeanHo/Actualizer/commit/3… | x_refsource_MISC |
| https://cheatsheetseries.owasp.org/cheatsheets/Pa… | x_refsource_MISC |
| https://github.com/ChewKeanHo/Actualizer/releases… | x_refsource_MISC |
| https://www.reddit.com/r/debian/comments/1kknzqi/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ChewKeanHo | Actualizer |
Affected:
< 1.2.0
|
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CVE-2023-42798 (GCVE-0-2023-42798)
Vulnerability from nvd – Published: 2023-09-22 15:13 – Updated: 2024-09-24 14:29
VLAI
EPSS
VEX
Title
AutomataCI Release Job Can Revert Repo to First Commit
Summary
AutomataCI is a template git repository equipped with a native built-in semi-autonomous CI tools. An issue in versions 1.4.1 and below can let a release job reset the git root repository to the first commit. Version 1.5.0 has a patch for this issue. As a workaround, make sure the `PROJECT_PATH_RELEASE` (e.g. `releases/`) directory is manually and actually `git cloned` properly, making it a different git repostiory from the root git repository.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-24 14:16 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ChewKeanHo/AutomataCI/security… | x_refsource_CONFIRM |
| https://github.com/ChewKeanHo/AutomataCI/issues/93 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ChewKeanHo | AutomataCI |
Affected:
< 1.5.0
|
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CVE-2026-85649 (GCVE-0-2026-85649)
Vulnerability from cvelistv5 – Published: 2026-09-04 12:59 – Updated: 2026-09-04 17:59
VLAI
EPSS
VEX
Summary
(Holloway) Chew, Kean Ho's Actualizer v1.2.0 and earlier contains a fail-open password validation vulnerability in the Alpha user and root user password loops of Shell/debian-minbase-install.sh. The installer invokes mkpasswd to generate yescrypt password hashes but does not check the command's return value and unconditionally accepts the result. If mkpasswd fails to generate a yescrypt hash, for example because an incompatible mkpasswd implementation or an environment without yescrypt support is used, the resulting password hash variable can be empty and the build proceeds. The resulting image can therefore contain empty password fields for the root and alpha accounts, potentially permitting passwordless authentication depending on the authentication configuration.
Severity
7.9 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 17:59 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ChewKeanHo/software-actualizer… | release-notespatch |
| https://github.com/ChewKeanHo/software-actualizer… | patch |
| https://github.com/ChewKeanHo/software-actualizer… | |
| https://doi.org/10.5281/zenodo.22169659 | technical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| chewkeanho | software-actualizer |
Affected:
0 , ≤ 1.2.0
(semver)
|
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CVE-2025-47276 (GCVE-0-2025-47276)
Vulnerability from cvelistv5 – Published: 2025-05-13 15:34 – Updated: 2025-05-13 19:31
VLAI
EPSS
VEX
Title
Actualizer Uses OpenSSL's "-passwd" Function Which Uses SHA512 Under The Hood Instead of Proper Password Hasher like Yescript/Argon2i
Summary
Actualizer is a single shell script solution to allow developers and embedded engineers to create Debian operating systems (OS). Prior to version 1.2.0, Actualizer uses OpenSSL's "-passwd" function, which uses SHA512 instead of a more suitable password hasher like Yescript/Argon2i. All Actualizer users building a full Debian Operating System are affected. Users should upgrade to version 1.2.0 of Actualizer. Existing OS deployment requires manual password changes against the alpha and root accounts. The change will deploy's Debian's yescript overriding the older SHA512 hash created by OpenSSL. As a workaround, users need to reset both `root` and "Alpha" users' passwords.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-13 19:31 UTC
CWE
- CWE-328 - Use of Weak Hash
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/ChewKeanHo/Actualizer/security… | x_refsource_CONFIRM |
| https://github.com/ChewKeanHo/Actualizer/issues/1 | x_refsource_MISC |
| https://github.com/openssl/openssl/issues/19340 | x_refsource_MISC |
| https://github.com/ChewKeanHo/Actualizer/commit/3… | x_refsource_MISC |
| https://cheatsheetseries.owasp.org/cheatsheets/Pa… | x_refsource_MISC |
| https://github.com/ChewKeanHo/Actualizer/releases… | x_refsource_MISC |
| https://www.reddit.com/r/debian/comments/1kknzqi/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ChewKeanHo | Actualizer |
Affected:
< 1.2.0
|
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CVE-2023-42798 (GCVE-0-2023-42798)
Vulnerability from cvelistv5 – Published: 2023-09-22 15:13 – Updated: 2024-09-24 14:29
VLAI
EPSS
VEX
Title
AutomataCI Release Job Can Revert Repo to First Commit
Summary
AutomataCI is a template git repository equipped with a native built-in semi-autonomous CI tools. An issue in versions 1.4.1 and below can let a release job reset the git root repository to the first commit. Version 1.5.0 has a patch for this issue. As a workaround, make sure the `PROJECT_PATH_RELEASE` (e.g. `releases/`) directory is manually and actually `git cloned` properly, making it a different git repostiory from the root git repository.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-24 14:16 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ChewKeanHo/AutomataCI/security… | x_refsource_CONFIRM |
| https://github.com/ChewKeanHo/AutomataCI/issues/93 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ChewKeanHo | AutomataCI |
Affected:
< 1.5.0
|
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