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2 vulnerabilities found for asu by openwrt

CVE-2024-54143 (GCVE-0-2024-54143)

Vulnerability from cvelistv5 – Published: 2024-12-06 16:14 – Updated: 2024-12-06 20:54
VLAI?
Title
openwrt/asu allows build artifact poisoning via truncated SHA-256 hash and command injection
Summary
openwrt/asu is an image on demand server for OpenWrt based distributions. The request hashing mechanism truncates SHA-256 hashes to only 12 characters. This significantly reduces entropy, making it feasible for an attacker to generate collisions. By exploiting this, a previously built malicious image can be served in place of a legitimate one, allowing the attacker to "poison" the artifact cache and deliver compromised images to unsuspecting users. This can be combined with other attacks, such as a command injection in Imagebuilder that allows malicious users to inject arbitrary commands into the build process, resulting in the production of malicious firmware images signed with the legitimate build key. This has been patched with 920c8a1.
Severity ?
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
Assigner
References
Impacted products
Vendor Product Version
openwrt asu Affected: < 920c8a1
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Show details on NVD website
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{
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      }
    ],
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CVE-2024-54143 (GCVE-0-2024-54143)

Vulnerability from nvd – Published: 2024-12-06 16:14 – Updated: 2024-12-06 20:54
VLAI?
Title
openwrt/asu allows build artifact poisoning via truncated SHA-256 hash and command injection
Summary
openwrt/asu is an image on demand server for OpenWrt based distributions. The request hashing mechanism truncates SHA-256 hashes to only 12 characters. This significantly reduces entropy, making it feasible for an attacker to generate collisions. By exploiting this, a previously built malicious image can be served in place of a legitimate one, allowing the attacker to "poison" the artifact cache and deliver compromised images to unsuspecting users. This can be combined with other attacks, such as a command injection in Imagebuilder that allows malicious users to inject arbitrary commands into the build process, resulting in the production of malicious firmware images signed with the legitimate build key. This has been patched with 920c8a1.
Severity ?
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
Assigner
References
Impacted products
Vendor Product Version
openwrt asu Affected: < 920c8a1
Create a notification for this product.
Show details on NVD website
To clipboard 

{
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          {
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              "cpe:2.3:o:openwrt:asu:*:*:*:*:*:*:*:*"
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