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    CVE-2015-6806

    The MScrollV function in ansi.c in GNU screen 4.3.1 and earlier does not properly limit recursion, which allows remote attackers to cause a denial of service (stack consumption) via an escape sequence with a large repeat count value.

    Published:Aug 7, 2015
    Last Modified:Apr 12, 2025
    EPS:Sep 28, 2015
    EPSS Score:0.00643
    CVSS Score:5

    Affected Products

    Vendor
    Gnu
    Product
    Gnu Screen

    Exploits

    http://www.openwall.com/lists/oss-security/2015/09/03/11https://savannah.gnu.org/bugs/?45713http://www.openwall.com/lists/oss-security/2015/09/03/11https://savannah.gnu.org/bugs/?45713

    References

    http://git.savannah.gnu.org/cgit/screen.git/commit/?id=b7484c224738247b510ed0d268cd577076958f1b
    http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00001.html
    http://www.debian.org/security/2015/dsa-3352
    http://www.openwall.com/lists/oss-security/2015/09/01/1
    http://www.openwall.com/lists/oss-security/2015/09/03/11
    http://www.openwall.com/lists/oss-security/2015/09/03/4
    https://savannah.gnu.org/bugs/?45713
    https://usn.ubuntu.com/3996-1/
    http://git.savannah.gnu.org/cgit/screen.git/commit/?id=b7484c224738247b510ed0d268cd577076958f1b
    http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00001.html
    http://www.debian.org/security/2015/dsa-3352
    http://www.openwall.com/lists/oss-security/2015/09/01/1
    http://www.openwall.com/lists/oss-security/2015/09/03/11
    http://www.openwall.com/lists/oss-security/2015/09/03/4
    https://savannah.gnu.org/bugs/?45713
    https://usn.ubuntu.com/3996-1/

    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