CVE-2016-4343

The pharmakedirstream 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

Affected packages

Git / github.com/php/php-src

Affected ranges

Type: GIT
Repo: https://github.com/php/php-src
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

87138073dddf65206b26244c1f827906c18c2f90

Introduced

90fc27f17abb5cb9c7006987fe53b62d66f981a7

Fixed

62b8c4246a1004a17a36493920c21780e6a280f2

Introduced

cd4973d4acae08e6636843b8e706547b33658693

Fixed

62cf13d3aa08b15107b02a0505a4f30142fa37b4

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-4343.json"

vanir_signatures

[
    {
        "digest": {
            "line_hashes": [
                "47536493921292488180503894855773419194",
                "114465696917561743629200732476751433886",
                "328867887628948915816274583623244400274",
                "297376920111133995317562874093014086385",
                "168934627128843040351700635521553019231",
                "258560438346906560143303805605521795951",
                "2153196558742618628732246770820228434"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
            "file": "ext/standard/exec.c"
        },
        "signature_type": "Line",
        "id": "CVE-2016-4343-545bc88e",
        "source": "https://github.com/php/php-src/commit/62b8c4246a1004a17a36493920c21780e6a280f2",
        "deprecated": false
    },
    {
        "digest": {
            "function_hash": "295037734266504677848102670698206975725",
            "length": 231.0
        },
        "signature_version": "v1",
        "target": {
            "file": "ext/standard/exec.c",
            "function": "PHP_MINIT_FUNCTION"
        },
        "signature_type": "Function",
        "id": "CVE-2016-4343-d888e08e",
        "source": "https://github.com/php/php-src/commit/62b8c4246a1004a17a36493920c21780e6a280f2",
        "deprecated": false
    }
]