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  1. Sourcetree for Windows
  2. SRCTREEWIN-13410

RCE via git-lfs in Sourcetree for Windows - CVE-2020-27955

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    • Severity 1 - Critical

      There was an argument injection vulnerability in SourceTree for Windows introduced through git-lfs. An attacker could create a malicious repository which, after being cloned in SourceTree for Windows and enabled with git-lfs, is able to exploit this issue to gain code execution on the system.

      Affected versions:

      • Version 3.3.9 and earlier

       

      Fix

       

      For additional details, see the full advisory

            [SRCTREEWIN-13410] RCE via git-lfs in Sourcetree for Windows - CVE-2020-27955

            Eric Franklin (Inactive) made changes -
            Remote Link New: This issue links to "Page (Confluence)" [ 847573 ]
            Eric Franklin (Inactive) made changes -
            Remote Link New: This issue links to "Page (Confluence)" [ 846036 ]
            Mitchell Johnson made changes -
            Security Original: Atlassian Staff [ 10750 ]
            Mitchell Johnson made changes -
            Description Original: There was an argument injection vulnerability in SourceTree for Windows introduced through git-lfs. An attacker could create a malicious repository which, after being cloned in SourceTree for Windows and enabled with git-lfs, is able to exploit this issue to gain code execution on the system.

            *Affected versions:*
             * Version 3.3.9 and earlier

             

            *Fix*
             * You can download the latest version of the [standard installer|https://product-downloads.atlassian.com/software/sourcetree/windows/ga/SourceTreeSetup-3.3.9.exe] or the [enterprise installer|https://product-downloads.atlassian.com/software/sourcetree/windows/ga/SourcetreeEnterpriseSetup_3.3.9.msi].

             

            For additional details, see the [full advisory|https://confluence.atlassian.com/display/SOURCETREEKB/SourceTree+for+Windows+Security+Advisory+27th+January+2021]             		New: There was an argument injection vulnerability in SourceTree for Windows introduced through git-lfs. An attacker could create a malicious repository which, after being cloned in SourceTree for Windows and enabled with git-lfs, is able to exploit this issue to gain code execution on the system.

            *Affected versions:*
             * Version 3.3.9 and earlier

             

            *Fix*
             * You can download the latest version of the [standard installer|https://product-downloads.atlassian.com/software/sourcetree/windows/ga/SourceTreeSetup-3.3.9.exe] or the [enterprise installer|https://product-downloads.atlassian.com/software/sourcetree/windows/ga/SourcetreeEnterpriseSetup_3.3.9.msi].

             

            For additional details, see the [full advisory|https://confluence.atlassian.com/display/SOURCETREEKB/SourceTree+for+Windows+Security+Advisory+24th+March+2021]
            Mitchell Johnson made changes -
            Link New: This issue was cloned as SRCTREEWIN-13480 [ SRCTREEWIN-13480 ]
            Clement made changes -
            Remote Link New: This issue links to "Page (Confluence)" [ 525376 ]

            Mitchell Johnson added a comment -

            This is an independent assessment and you should evaluate its applicability to your own IT environment.

            CVSS v3 score: 9.1 => Critical severity

            Exploitability Metrics

            Attack Vector Network
            Attack Complexity Low
            Privileges Required None
            User Interaction None

            Scope Metric

            Scope Unchanged

            Impact Metrics

            Confidentiality High
            Integrity High
            Availability None

            See http://go.atlassian.com/cvss for more details.

            https://asecurityteam.bitbucket.io/cvss_v3/#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

            Mitchell Johnson added a comment - This is an independent assessment and you should evaluate its applicability to your own IT environment. CVSS v3 score: 9.1 => Critical severity Exploitability Metrics Attack Vector Network Attack Complexity Low Privileges Required None User Interaction None Scope Metric Scope Unchanged Impact Metrics Confidentiality High Integrity High Availability None See http://go.atlassian.com/cvss for more details. https://asecurityteam.bitbucket.io/cvss_v3/#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
            Mitchell Johnson made changes -
            Remote Link New: This issue links to "Page (Confluence)" [ 524070 ]
            Mitchell Johnson made changes -
            Remote Link New: This issue links to "Page (Confluence)" [ 524069 ]
            Mitchell Johnson made changes -
            Resolution New: Fixed [ 1 ]
            Status Original: Needs Triage [ 10030 ] New: Closed [ 6 ]

              Unassigned Unassigned
              mjohnson2@atlassian.com Mitchell Johnson
              Affected customers:
              0 This affects my team
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                Created:
                Updated:
                Resolved: