CVE-2020-9760

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Source
https://cve.org/CVERecord?id=CVE-2020-9760
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-9760.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-9760
Downstream
Related
Published
2020-03-23T16:15:17.923Z
Modified
2026-01-30T04:35:42.395540Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). When a new IRC message 005 is received with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.

References

Affected packages

Git / github.com/weechat/weechat

Affected ranges

Type
GIT
Repo
https://github.com/weechat/weechat
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
40ccacb4330a64802b1f1e28ed9a6b6d3ca9197f

Affected versions

Other
release-0-0-1
release-0-0-2
release-0-0-3
release-0-0-4
release-0-0-5
release-0-0-6
release-0-0-7
release-0-0-8
release-0-0-9
release-0-1-0
release-0-1-1
release-0-1-2
release-0-1-3
release-0-1-4
release-0-1-5
release-0-1-6
release-0-1-7
release-0-1-8
release-0-1-9
release-0-2-0
release-0-2-1
release-0-2-2
release-0-2-3
release-0-2-4
release-0-2-5
v0.*
v0.0.1
v0.0.2
v0.0.3
v0.0.4
v0.0.5
v0.0.6
v0.0.7
v0.0.8
v0.0.9
v0.1.0
v0.1.1
v0.1.2
v0.1.3
v0.1.4
v0.1.5
v0.1.6
v0.1.7
v0.1.8
v0.1.9
v0.2.0
v0.2.1
v0.2.2
v0.2.3
v0.2.4
v0.2.5
v0.2.6
v0.3.0
v0.3.0-rc1
v0.3.0-rc2
v0.3.0-rc3
v0.3.1
v0.3.2
v0.3.2-rc1
v0.3.3
v0.3.3-rc1
v0.3.3-rc2
v0.3.3-rc3
v0.3.4
v0.3.4-rc1
v0.3.4-rc2
v0.3.4-rc3
v0.3.5
v0.3.5-rc1
v0.3.5-rc2
v0.3.5-rc3
v0.3.6
v0.3.6-rc1
v0.3.6-rc2
v0.3.6-rc3
v0.3.7
v0.3.7-rc1
v0.3.7-rc2
v0.3.7-rc3
v0.3.8
v0.3.8-rc1
v0.3.8-rc2
v0.3.9
v0.3.9-rc1
v0.3.9-rc2
v0.4.0
v0.4.0-rc1
v0.4.0-rc2
v0.4.0-rc3
v0.4.1
v0.4.1-rc1
v0.4.1-rc2
v0.4.2
v0.4.2-rc1
v0.4.2-rc2
v0.4.3
v0.4.3-rc1
v0.4.3-rc2
v1.*
v1.0
v1.0-rc1
v1.0-rc2
v1.0-rc3
v1.1
v1.1-rc1
v1.1-rc2
v1.2
v1.2-rc1
v1.2-rc2
v1.3
v1.3-rc1
v1.3-rc2
v1.4
v1.4-rc1
v1.4-rc2
v1.5
v1.5-rc1
v1.5-rc2
v1.6
v1.6-rc1
v1.6-rc2
v1.7
v1.7-rc1
v1.7-rc2
v1.8
v1.8-rc1
v1.9
v1.9-rc1
v1.9-rc2
v2.*
v2.0
v2.0-rc1
v2.1
v2.1-rc1
v2.2
v2.2-rc1
v2.2-rc2
v2.3
v2.3-rc1
v2.4
v2.4-rc1
v2.5
v2.5-rc1
v2.5-rc2
v2.6
v2.6-rc1
v2.6-rc2
v2.7
v2.7-rc1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-9760.json"
vanir_signatures 
[
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "325596194213706182479652272081936598340",
                "132268216224256037571839750429924175280",
                "44497950053967307772718137244273875544",
                "132550677232131315184311444001429665351",
                "97418110254259639727718916227023582353",
                "149303952922933676077113852457245993771",
                "129402597196439469058390957584289549233",
                "108587633537507210242609878158511307392",
                "111708766549982062342636204382193101079",
                "167118086744474657822052685044811994853"
            ]
        },
        "source": "https://github.com/weechat/weechat/commit/40ccacb4330a64802b1f1e28ed9a6b6d3ca9197f",
        "target": {
            "file": "src/plugins/irc/irc-server.c"
        },
        "signature_version": "v1",
        "signature_type": "Line",
        "deprecated": false,
        "id": "CVE-2020-9760-24b17d3c"
    },
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "213054129778902522372905892267968144680",
                "131097610739893464754850419081481526954",
                "228471673978473928265094791230654823703",
                "197161856197992666943380620234508962100"
            ]
        },
        "source": "https://github.com/weechat/weechat/commit/40ccacb4330a64802b1f1e28ed9a6b6d3ca9197f",
        "target": {
            "file": "src/plugins/irc/irc-nick.h"
        },
        "signature_version": "v1",
        "signature_type": "Line",
        "deprecated": false,
        "id": "CVE-2020-9760-6054fd6a"
    },
    {
        "digest": {
            "length": 863.0,
            "function_hash": "128916233876534572922588486440859965445"
        },
        "source": "https://github.com/weechat/weechat/commit/40ccacb4330a64802b1f1e28ed9a6b6d3ca9197f",
        "target": {
            "function": "irc_server_set_prefix_modes_chars",
            "file": "src/plugins/irc/irc-server.c"
        },
        "signature_version": "v1",
        "signature_type": "Function",
        "deprecated": false,
        "id": "CVE-2020-9760-a185fca6"
    }
]