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    CVE-2011-3200

    Stack-based buffer overflow in the parseLegacySyslogMsg function in tools/syslogd.c in rsyslogd in rsyslog 4.6.x before 4.6.8 and 5.2.0 through 5.8.4 might allow remote attackers to cause a denial of service (application exit) via a long TAG in a legacy syslog message.

    Published:Sep 1, 2011
    Last Modified:Apr 11, 2025
    EPS:Sep 6, 2011
    EPSS Score:0.64777
    CVSS Score:5

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Rsyslog
    Product
    Rsyslog

    Exploits

    No exploit reference

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    References

    http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=1ca6cc236d1dabf1633238b873fb1c057e52f95e
    http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065837.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065941.html
    http://lists.opensuse.org/opensuse-updates/2011-09/msg00013.html
    http://secunia.com/advisories/45922
    http://secunia.com/advisories/46027
    http://securitytracker.com/id?1026000
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:134
    http://www.redhat.com/support/errata/RHSA-2011-1247.html
    http://www.rsyslog.com/potential-dos-with-malformed-tag/
    http://www.securityfocus.com/bid/49413
    https://bugzilla.redhat.com/show_bug.cgi?id=727644
    http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=1ca6cc236d1dabf1633238b873fb1c057e52f95e
    http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065837.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065941.html
    http://lists.opensuse.org/opensuse-updates/2011-09/msg00013.html
    http://secunia.com/advisories/45922
    http://secunia.com/advisories/46027
    http://securitytracker.com/id?1026000
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:134
    http://www.redhat.com/support/errata/RHSA-2011-1247.html
    http://www.rsyslog.com/potential-dos-with-malformed-tag/
    http://www.securityfocus.com/bid/49413
    https://bugzilla.redhat.com/show_bug.cgi?id=727644

    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