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[email protected]CVE-2011-1930

HistoryNov 14, 2019 - 3:15 a.m.

CVE-2011-1930

2019-11-1403:15:10

[email protected]

web.nvd.nist.gov

klibc

dhcp

ipconfig

security vulnerability

nvd

cve-2011-1930

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.05 Low

EPSS

Percentile

92.9%

JSON

In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$DEVICE.conf are not properly escaped. This may allow a remote attacker to send a specially crafted DHCP reply which could execute arbitrary code with the privileges of any process which sources DHCP options.

Affected configurations

Vulners

NVD

Node

klibcklibcRange≤1.5.20

klibcklibcRange≤1.5.21

CPENameOperatorVersion
klibc_project:klibcklibc project klibclt1.5.25

CPE	Name	Operator	Version
klibc_project:klibc	klibc project klibc	lt	1.5.25

CNA Affected

[
  {
    "product": "klibc",
    "vendor": "klibc",
    "versions": [
      {
        "status": "affected",
        "version": "1.5.20"
      },
      {
        "status": "affected",
        "version": "1.5.21"
      }
    ]
  }
]