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[email protected]CVE-2020-27347

HistoryNov 06, 2020 - 3:15 a.m.

CVE-2020-27347

2020-11-0603:15:17

CWE-787

CWE-121

[email protected]

web.nvd.nist.gov

169

tmux

input.c

buffer-overflow

cve-2020-27347

nvd

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

7.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

25.6%

JSON

In tmux before version 3.1c the function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output.

Affected configurations

NVD

Node

tmux_projecttmuxRange2.9–3.1b

CPENameOperatorVersion
tmux_project:tmuxtmux project tmuxle3.1b

CPE	Name	Operator	Version
tmux_project:tmux	tmux project tmux	le	3.1b

CNA Affected

[
  {
    "product": "tmux",
    "vendor": "tmux",
    "versions": [
      {
        "lessThan": "3.1c",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "tmux",
    "vendor": "Ubuntu",
    "versions": [
      {
        "lessThan": "3.1b-1ubuntu0.1",
        "status": "affected",
        "version": "3.1b",
        "versionType": "custom"
      },
      {
        "lessThan": "3.0a-2ubuntu0.2",
        "status": "affected",
        "version": "3.0a",
        "versionType": "custom"
      }
    ]
  }
]