CVE-2023-41910

An issue was discovered in lldpd before 1.0.17. By crafting a CDP PDU packet with specific CDPTLVADDRESSES TLVs, a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory. This occurs in cdp_decode in daemon/protocols/cdp.c.

References

Affected packages

Git / github.com/lldpd/lldpd

Affected ranges

Type: GIT
Repo: https://github.com/lldpd/lldpd
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

a9aeabdf879c25c584852a0bb5523837632f099b

Fixed

bf5457bd97926950638fde1c4ef61545bc39ce8d

Affected versions

0.*

0.2

0.2.1

0.3

0.3.1

0.3.2

0.4.0

0.5.0

0.5.1

0.5.2

0.5.4

0.5.5

0.6.0

0.6.1

0.7.0

0.7.1

0.7.10

0.7.11

0.7.12

0.7.13

0.7.14

0.7.15

0.7.16

0.7.2

0.7.3

0.7.4

0.7.5

0.7.6

0.7.7

0.7.8

0.7.9

0.8.0

0.9.0

0.9.1

0.9.2

0.9.3

0.9.4

0.9.5

0.9.6

0.9.7

0.9.8

0.9.9

1.*

1.0.0

1.0.1

1.0.10

1.0.11

1.0.12

1.0.13

1.0.14

1.0.15

1.0.16

1.0.2

1.0.3

1.0.4

1.0.5

1.0.6

1.0.7

1.0.8

1.0.9

Database specific

vanir_signatures

[
    {
        "id": "CVE-2023-41910-897be5fc",
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Function",
        "digest": {
            "function_hash": "548303403813255000086242669348412218",
            "length": 9411.0
        },
        "target": {
            "file": "src/daemon/protocols/cdp.c",
            "function": "cdp_decode"
        },
        "source": "https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099b"
    },
    {
        "id": "CVE-2023-41910-97d9d5fd",
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Line",
        "digest": {
            "line_hashes": [
                "86912782944849826250832705870344065737",
                "2616176696932617280859159092809135205",
                "36450887838897663658998101415203852130",
                "88735634586997640710652571994793527586"
            ],
            "threshold": 0.9
        },
        "target": {
            "file": "src/daemon/protocols/cdp.c"
        },
        "source": "https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099b"
    }
]