CVE-2023-45811

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2023-45811
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-45811.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-45811
Aliases
Published
2023-10-17T22:37:20Z
Modified
2026-10-21T02:30:21Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
Summary
Prototype pollution vulnerability leading to arbitrary code execution in synchrony deobfuscator
Details

Synchrony deobfuscator is a javascript cleaner & deobfuscator. A __proto__ pollution vulnerability exists in versions before v2.4.4. Successful exploitation could lead to arbitrary code execution. A __proto__ pollution vulnerability exists in the LiteralMap transformer allowing crafted input to modify properties in the Object prototype. A fix has been released in deobfuscator@2.4.4. Users are advised to upgrade. Users unable to upgrade should launch node with the [--disable-proto=delete][disable-proto] or [--disable-proto=throw][disable-proto] flags

Database specific 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-1321"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45811.json"
}
References

Affected packages

Git / github.com/relative/synchrony

Affected ranges

Type
GIT
Repo
https://github.com/relative/synchrony
Events
Introduced
c73b7845a1d82333235644fc682f207325a5d9ba
Fixed
3c6cbdb06f17c6bd25fa30a7cf491e3ccb07c5f3
Fixed
b583126be94c4db7c5a478f1c5204bfb4162cf40
Database specific
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:relative:synchrony:*:*:*:*:*:node.js:*:*",
            "range":  [
                {
                    "introduced":  "2.0.1"
                },
                {
                    "fixed":  "2.4.4"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "range":  [
                {
                    "fixed":  "b583126be94c4db7c5a478f1c5204bfb4162cf40"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

2.*
2.0.1
2.1.0
2.1.1
2.1.2
2.1.3
2.1.4
2.1.5
2.2.0
2.3.0
2.4.0
2.4.1
2.4.2
2.4.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-45811.json"