CVE-2016-4343

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    CVE-2016-4343

    Published: 22 May 2016Last Modified: 7 Aug 2026

    Summary:

    Details: The phar_make_dirstream function in ext/phar/dirstream.c in PHP before 5.6.18 and 7.x before 7.0.3 mishandles zero-size ././@LongLink files, which allows remote attackers to cause a denial of service (uninitialized pointer dereference) or possibly have unspecified other impact via a crafted TAR archive.

    References: http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html, http://php.net/ChangeLog-5.php, http://php.net/ChangeLog-7.php, http://rhn.redhat.com/errata/RHSA-2016-2750.html, http://www.openwall.com/lists/oss-security/2016/04/28/2, http://www.securityfocus.com/bid/89179, https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731, https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149, https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722, https://bugs.php.net/bug.php?id=71331

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -527e8e73c97e282b1efde24cfb95dc0942e0ad59

    Affected versions

    POST_PHP7_NSAPI_REMOVAL

    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