gsd-2023-29011
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
Git for Windows, the Windows port of Git, ships with an executable called `connect.exe`, which implements a SOCKS5 proxy that can be used to connect e.g. to SSH servers via proxies when certain ports are blocked for outgoing connections. The location of `connect.exe`'s config file is hard-coded as `/etc/connectrc` which will typically be interpreted as `C:\etc\connectrc`. Since `C:\etc` can be created by any authenticated user, this makes `connect.exe` susceptible to malicious files being placed there by other users on the same multi-user machine. The problem has been patched in Git for Windows v2.40.1. As a workaround, create the folder `etc` on all drives where Git commands are run, and remove read/write access from those folders. Alternatively, watch out for malicious `<drive>:\etc\connectrc` files on multi-user machines.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2023-29011", "id": "GSD-2023-29011" }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2023-29011" ], "details": "Git for Windows, the Windows port of Git, ships with an executable called `connect.exe`, which implements a SOCKS5 proxy that can be used to connect e.g. to SSH servers via proxies when certain ports are blocked for outgoing connections. The location of `connect.exe`\u0027s config file is hard-coded as `/etc/connectrc` which will typically be interpreted as `C:\\etc\\connectrc`. Since `C:\\etc` can be created by any authenticated user, this makes `connect.exe` susceptible to malicious files being placed there by other users on the same multi-user machine. The problem has been patched in Git for Windows v2.40.1. As a workaround, create the folder `etc` on all drives where Git commands are run, and remove read/write access from those folders. Alternatively, watch out for malicious `\u003cdrive\u003e:\\etc\\connectrc` files on multi-user machines.", "id": "GSD-2023-29011", "modified": "2023-12-13T01:20:57.016023Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2023-29011", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "git", "version": { "version_data": [ { "version_affected": "=", "version_value": "\u003c 2.40.1" } ] } } ] }, "vendor_name": "git-for-windows" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Git for Windows, the Windows port of Git, ships with an executable called `connect.exe`, which implements a SOCKS5 proxy that can be used to connect e.g. to SSH servers via proxies when certain ports are blocked for outgoing connections. The location of `connect.exe`\u0027s config file is hard-coded as `/etc/connectrc` which will typically be interpreted as `C:\\etc\\connectrc`. Since `C:\\etc` can be created by any authenticated user, this makes `connect.exe` susceptible to malicious files being placed there by other users on the same multi-user machine. The problem has been patched in Git for Windows v2.40.1. As a workaround, create the folder `etc` on all drives where Git commands are run, and remove read/write access from those folders. Alternatively, watch out for malicious `\u003cdrive\u003e:\\etc\\connectrc` files on multi-user machines." } ] }, "impact": { "cvss": [ { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "cweId": "CWE-427", "lang": "eng", "value": "CWE-427: Uncontrolled Search Path Element" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/git-for-windows/git/security/advisories/GHSA-g4fv-xjqw-q7jm", "refsource": "MISC", "url": "https://github.com/git-for-windows/git/security/advisories/GHSA-g4fv-xjqw-q7jm" }, { "name": "https://github.com/git-for-windows/git/releases/tag/v2.40.1.windows.1", "refsource": "MISC", "url": "https://github.com/git-for-windows/git/releases/tag/v2.40.1.windows.1" } ] }, "source": { "advisory": "GHSA-g4fv-xjqw-q7jm", "discovery": "UNKNOWN" } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:git_for_windows_project:git_for_windows:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "2.40.1", "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2023-29011" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "Git for Windows, the Windows port of Git, ships with an executable called `connect.exe`, which implements a SOCKS5 proxy that can be used to connect e.g. to SSH servers via proxies when certain ports are blocked for outgoing connections. The location of `connect.exe`\u0027s config file is hard-coded as `/etc/connectrc` which will typically be interpreted as `C:\\etc\\connectrc`. Since `C:\\etc` can be created by any authenticated user, this makes `connect.exe` susceptible to malicious files being placed there by other users on the same multi-user machine. The problem has been patched in Git for Windows v2.40.1. As a workaround, create the folder `etc` on all drives where Git commands are run, and remove read/write access from those folders. Alternatively, watch out for malicious `\u003cdrive\u003e:\\etc\\connectrc` files on multi-user machines." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-427" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/git-for-windows/git/releases/tag/v2.40.1.windows.1", "refsource": "MISC", "tags": [ "Release Notes" ], "url": "https://github.com/git-for-windows/git/releases/tag/v2.40.1.windows.1" }, { "name": "https://github.com/git-for-windows/git/security/advisories/GHSA-g4fv-xjqw-q7jm", "refsource": "MISC", "tags": [ "Vendor Advisory" ], "url": "https://github.com/git-for-windows/git/security/advisories/GHSA-g4fv-xjqw-q7jm" } ] } }, "impact": { "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } }, "lastModifiedDate": "2023-05-04T21:18Z", "publishedDate": "2023-04-25T21:15Z" } } }
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Sightings
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Nomenclature
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- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.