CVE-2020-24386

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-24386
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-24386.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-24386
Downstream
Related
Published
2021-01-04T17:15:13Z
Modified
2025-10-21T02:35:56Z
Severity
  • 6.8 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
Summary
[none]
Details

An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).

References

Affected packages

Git / github.com/dovecot/core

Affected ranges

Type
GIT
Repo
https://github.com/dovecot/core
Events
Introduced
54d654098032d96975b70749b505fae538e97f7a
Fixed
89f716dc2ec7362864a368d32533184b55fb7831

Database specific

vanir_signatures

[
    {
        "source": "https://github.com/dovecot/core/commit/89f716dc2ec7362864a368d32533184b55fb7831",
        "target": {
            "file": "src/stats/client-writer.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "296346974619418808234080801214954265765",
                "1471052776949459769501067374191512796",
                "217466864070258896560181252484983121032",
                "121720010689383301941536457495250671877"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "id": "CVE-2020-24386-1be4ae17"
    },
    {
        "source": "https://github.com/dovecot/core/commit/89f716dc2ec7362864a368d32533184b55fb7831",
        "target": {
            "function": "writer_client_input_event_update",
            "file": "src/stats/client-writer.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "function_hash": "137596555788539951219949077210898227457",
            "length": 682.0
        },
        "signature_type": "Function",
        "id": "CVE-2020-24386-21d7f377"
    },
    {
        "source": "https://github.com/dovecot/core/commit/89f716dc2ec7362864a368d32533184b55fb7831",
        "target": {
            "function": "test_parent_update_post_send",
            "file": "src/lib-master/test-event-stats.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "function_hash": "217181472971271504745876234057744284658",
            "length": 1234.0
        },
        "signature_type": "Function",
        "id": "CVE-2020-24386-27cee2ac"
    },
    {
        "source": "https://github.com/dovecot/core/commit/89f716dc2ec7362864a368d32533184b55fb7831",
        "target": {
            "file": "src/lib-master/stats-client.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "278785260246161150248339674797392182783",
                "268337524322404052174412187219750515495",
                "260900042069470596651645167535238511843",
                "215404735682128032450205611949595575148",
                "95632903194647195604684242103969210521",
                "334544074264257495251296982352358868461",
                "272235226121168406138417059860516680638",
                "94614832344236721621719220881383999969",
                "133845085594569060567343773474855935093",
                "231976961659895332335730835650040202731",
                "215964019162609653939930531910218753698",
                "124899298734637869030094386711232058176",
                "208507113689900333926841062784169050884",
                "22817438786077034395447909030443083472",
                "61749333419936925221299181776486836621",
                "230485890595458566265336413736305546876",
                "148317764179313926954713425459965936713"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "id": "CVE-2020-24386-7e4b6371"
    },
    {
        "source": "https://github.com/dovecot/core/commit/89f716dc2ec7362864a368d32533184b55fb7831",
        "target": {
            "file": "src/lib-master/test-event-stats.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "306008020808452989219003758236380952763",
                "191947087068649407406175300183404404279",
                "139115681704428535252617837725603962715",
                "238716939131666563430944324612399042328"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "id": "CVE-2020-24386-b4c3550a"
    },
    {
        "source": "https://github.com/dovecot/core/commit/89f716dc2ec7362864a368d32533184b55fb7831",
        "target": {
            "function": "stats_event_write",
            "file": "src/lib-master/stats-client.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "function_hash": "186318130816510715596850195645109332825",
            "length": 795.0
        },
        "signature_type": "Function",
        "id": "CVE-2020-24386-f32b5762"
    }
]