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    CVE-2009-0759

    Multiple CRLF injection vulnerabilities in webadmin in ZNC before 0.066 allow remote authenticated users to modify the znc.conf configuration file and gain privileges via CRLF sequences in the quit message and other vectors.

    Published:Mar 3, 2009
    Last Modified:Apr 23, 2026
    EPS:Mar 3, 2009
    EPSS Score:0.0074
    CVSS Score:6.5

    Affected Products

    Vendor
    Znc
    Product
    Znc

    Exploits

    No exploit reference

    Related CVEs

    CVE-2024-39844 (CVSS 9.8) — In ZNC before 1.9.1, remote code execution can occur in modtcl via a KICK.…
    CVE-2020-13775 (CVSS 6.5) — ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer dere…
    CVE-2010-2488 (CVSS 7.5) — NULL pointer dereference vulnerability in ZNC before 0.092 caused by traffic stats when there are unauthentica…
    CVE-2019-12816 (CVSS 8.8) — Modules.cpp in ZNC before 1.7.4-rc1 allows remote authenticated non-admin users to escalate privileges and exe…
    CVE-2019-9917 (CVSS 6.5) — ZNC before 1.7.3-rc1 allows an existing remote user to cause a Denial of Service (crash) via invalid encoding.…
    CVE-2018-14056 (CVSS 5.3) — ZNC before 1.7.1-rc1 is prone to a path traversal flaw via ../ in a web skin name to access files outside of t…
    CVE-2018-14055 (CVSS 6.5) — ZNC before 1.7.1-rc1 does not properly validate untrusted lines coming from the network, allowing a non-admin …
    CVE-2014-9403 (CVSS 4) — The CWebAdminMod::ChanPage function in modules/webadmin.cpp in ZNC before 1.4 allows remote authenticated user…
    CVE-2013-2130 (CVSS 4) — ZNC 1.0 allows remote authenticated users to cause a denial of service (NULL pointer reference and crash) via …
    CVE-2010-2812 (CVSS 5) — Client.cpp in ZNC 0.092 allows remote attackers to cause a denial of service (exception and daemon crash) via …

    References

    http://osvdb.org/52295
    http://secunia.com/advisories/34230
    http://www.debian.org/security/2009/dsa-1735
    http://www.openwall.com/lists/oss-security/2009/03/01/2
    http://znc.svn.sourceforge.net/viewvc/znc/trunk/modules/webadmin.cpp?view=log&sortby=rev&sortdir=down&pathrev=1395
    http://znc.svn.sourceforge.net/viewvc/znc?view=rev&sortby=rev&sortdir=down&revision=1395
    http://znc.svn.sourceforge.net/viewvc/znc?view=rev&sortby=rev&sortdir=down&revision=1396
    http://osvdb.org/52295
    http://secunia.com/advisories/34230
    http://www.debian.org/security/2009/dsa-1735
    http://www.openwall.com/lists/oss-security/2009/03/01/2
    http://znc.svn.sourceforge.net/viewvc/znc/trunk/modules/webadmin.cpp?view=log&sortby=rev&sortdir=down&pathrev=1395
    http://znc.svn.sourceforge.net/viewvc/znc?view=rev&sortby=rev&sortdir=down&revision=1395
    http://znc.svn.sourceforge.net/viewvc/znc?view=rev&sortby=rev&sortdir=down&revision=1396

    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