CVE-2017-7875

In wallpaper.c in feh before v2.18.3, if a malicious client pretends to be the E17 window manager, it is possible to trigger an out-of-boundary heap write while receiving an IPC message. An integer overflow leads to a buffer overflow and/or a double free.

References

Affected packages

Git / github.com/derf/feh

Affected ranges

Type: GIT
Repo: https://github.com/derf/feh
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

f7a547b7ef8fc8ebdeaa4c28515c9d72e592fb6d

Affected versions

1.*

1.10

1.10.1

1.11

1.12

1.13

1.14

1.14.1

1.14.2

1.15

1.15.1

1.16

1.16.1

1.16.2

1.3.5

1.4

1.4.1

1.4.2

1.4.3

1.5

1.6

1.6.1

1.7

1.8

1.9

2.*

2.0

2.1

2.10

2.11

2.12

2.13

2.13.1

2.14

2.15

2.15.1

2.15.2

2.15.3

2.15.4

2.16

2.16.1

2.16.2

2.17

2.17.1

2.18

2.18.1

2.18.2

2.2

2.3

2.4

2.5

2.6

2.6.1

2.6.2

2.6.3

2.7

2.8

2.9

2.9.1

2.9.2

2.9.3

Database specific

vanir_signatures

[
    {
        "id": "CVE-2017-7875-2316f0a4",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "114611271374651776628541093080720029731",
                "41834195195041888171198261125242210801",
                "108368789263570908763498376805416493156",
                "238841293264128875907687015485774305246"
            ],
            "threshold": 0.9
        },
        "target": {
            "file": "src/wallpaper.c"
        },
        "source": "https://github.com/derf/feh/commit/f7a547b7ef8fc8ebdeaa4c28515c9d72e592fb6d",
        "signature_type": "Line",
        "signature_version": "v1"
    },
    {
        "id": "CVE-2017-7875-5f505e22",
        "deprecated": false,
        "digest": {
            "length": 677.0,
            "function_hash": "102306032804263360865648438411247829941"
        },
        "target": {
            "file": "src/wallpaper.c",
            "function": "enl_ipc_get"
        },
        "source": "https://github.com/derf/feh/commit/f7a547b7ef8fc8ebdeaa4c28515c9d72e592fb6d",
        "signature_type": "Function",
        "signature_version": "v1"
    }
]