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    CVE-2010-0926

    The default configuration of smbd in Samba before 3.3.11, 3.4.x before 3.4.6, and 3.5.x before 3.5.0rc3, when a writable share exists, allows remote authenticated users to leverage a directory traversal vulnerability, and access arbitrary files, by using the symlink command in smbclient to create a symlink containing .. (dot dot) sequences, related to the combination of the unix extensions and wide links options.

    Published:Feb 5, 2010
    Last Modified:Apr 11, 2025
    EPS:Mar 9, 2010
    EPSS Score:0.27491
    CVSS Score:3.5

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Samba
    Product
    Samba

    Exploits

    https://www.exploit-db.com/exploits/33599https://www.exploit-db.com/exploits/33598

    Related CVEs

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    CVE-2026-84828 (CVSS 6.5) — A flaw was found in PCS (Pacemaker Configuration System). A local attacker with membership in the 'haclient' g…
    CVE-2026-88859 (CVSS 6.3) — A flaw was found in Evolution. A remote attacker can exploit this vulnerability by sending a specially crafted…
    CVE-2026-18147 (CVSS 8.1) — A flaw was found in FreeIPA. An unauthenticated remote attacker could exploit a DOM Cross-Site Scripting (XSS)…
    CVE-2026-87853 (CVSS 7.5) — A flaw was found in SSSD's IdP authentication provider. The eval_access_token_buf() function compares the OIDC…
    CVE-2026-88924 (CVSS 7) — A flaw was found in the admin backend of gvfs. The privileged gvfsd-admin daemon changes the ownership of newl…
    CVE-2026-87876 (CVSS 3) — Two case-insensitive comparisons on request-derived usernames outside the main authorization path in CUPS's sc…
    CVE-2026-87875 (CVSS 4.3) — The cupsUTF32ToUTF8() function in CUPS's cups/transcode.c lacks a source-length bound and can read past the en…
    CVE-2026-87766 (CVSS 8.8) — A flaw was found in bubblewrap. During sandbox setup, creating files or directories under the new root can fol…

    References

    http://archives.neohapsis.com/archives/fulldisclosure/2010-02/0083.html
    http://archives.neohapsis.com/archives/fulldisclosure/2010-02/0107.html
    http://archives.neohapsis.com/archives/fulldisclosure/2010-02/0108.html
    http://blog.metasploit.com/2010/02/exploiting-samba-symlink-traversal.html
    http://gitweb.samba.org/?p=samba.git%3Ba=commit%3Bh=bd269443e311d96ef495a9db47d1b95eb83bb8f4
    http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
    http://marc.info/?l=full-disclosure&m=126538598820903&w=2
    http://marc.info/?l=oss-security&m=126539592603079&w=2
    http://marc.info/?l=oss-security&m=126540402215620&w=2
    http://marc.info/?l=oss-security&m=126540733320471&w=2
    http://marc.info/?l=oss-security&m=126545363428745&w=2
    http://marc.info/?l=oss-security&m=126777580624790&w=2
    http://marc.info/?l=samba-technical&m=126539387432412&w=2
    http://marc.info/?l=samba-technical&m=126540011609753&w=2
    http://marc.info/?l=samba-technical&m=126540100511357&w=2
    http://marc.info/?l=samba-technical&m=126540248613395&w=2
    http://marc.info/?l=samba-technical&m=126540277713815&w=2
    http://marc.info/?l=samba-technical&m=126540290614053&w=2
    http://marc.info/?l=samba-technical&m=126540376915283&w=2
    http://marc.info/?l=samba-technical&m=126540475116511&w=2
    http://marc.info/?l=samba-technical&m=126540477016522&w=2
    http://marc.info/?l=samba-technical&m=126540539117328&w=2
    http://marc.info/?l=samba-technical&m=126540608318301&w=2
    http://marc.info/?l=samba-technical&m=126540695819735&w=2
    http://marc.info/?l=samba-technical&m=126547903723628&w=2
    http://marc.info/?l=samba-technical&m=126548356728379&w=2
    http://marc.info/?l=samba-technical&m=126549111204428&w=2
    http://marc.info/?l=samba-technical&m=126555346721629&w=2
    http://secunia.com/advisories/39317
    http://www.openwall.com/lists/oss-security/2010/02/06/3
    http://www.openwall.com/lists/oss-security/2010/03/05/3
    http://www.samba.org/samba/news/symlink_attack.html
    https://bugzilla.redhat.com/show_bug.cgi?id=562568
    https://bugzilla.samba.org/show_bug.cgi?id=7104
    http://archives.neohapsis.com/archives/fulldisclosure/2010-02/0083.html
    http://archives.neohapsis.com/archives/fulldisclosure/2010-02/0107.html
    http://archives.neohapsis.com/archives/fulldisclosure/2010-02/0108.html
    http://blog.metasploit.com/2010/02/exploiting-samba-symlink-traversal.html
    http://gitweb.samba.org/?p=samba.git%3Ba=commit%3Bh=bd269443e311d96ef495a9db47d1b95eb83bb8f4
    http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
    http://marc.info/?l=full-disclosure&m=126538598820903&w=2
    http://marc.info/?l=oss-security&m=126539592603079&w=2
    http://marc.info/?l=oss-security&m=126540402215620&w=2
    http://marc.info/?l=oss-security&m=126540733320471&w=2
    http://marc.info/?l=oss-security&m=126545363428745&w=2
    http://marc.info/?l=oss-security&m=126777580624790&w=2
    http://marc.info/?l=samba-technical&m=126539387432412&w=2
    http://marc.info/?l=samba-technical&m=126540011609753&w=2
    http://marc.info/?l=samba-technical&m=126540100511357&w=2
    http://marc.info/?l=samba-technical&m=126540248613395&w=2
    http://marc.info/?l=samba-technical&m=126540277713815&w=2
    http://marc.info/?l=samba-technical&m=126540290614053&w=2
    http://marc.info/?l=samba-technical&m=126540376915283&w=2
    http://marc.info/?l=samba-technical&m=126540475116511&w=2
    http://marc.info/?l=samba-technical&m=126540477016522&w=2
    http://marc.info/?l=samba-technical&m=126540539117328&w=2
    http://marc.info/?l=samba-technical&m=126540608318301&w=2
    http://marc.info/?l=samba-technical&m=126540695819735&w=2
    http://marc.info/?l=samba-technical&m=126547903723628&w=2
    http://marc.info/?l=samba-technical&m=126548356728379&w=2
    http://marc.info/?l=samba-technical&m=126549111204428&w=2
    http://marc.info/?l=samba-technical&m=126555346721629&w=2
    http://secunia.com/advisories/39317
    http://www.openwall.com/lists/oss-security/2010/02/06/3
    http://www.openwall.com/lists/oss-security/2010/03/05/3
    http://www.samba.org/samba/news/symlink_attack.html
    https://bugzilla.redhat.com/show_bug.cgi?id=562568
    https://bugzilla.samba.org/show_bug.cgi?id=7104

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High