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RedhatCVE-2019-14871

HistoryMar 18, 2020 - 4:15 p.m.

CVE-2019-14871

2020-03-1816:15:11

CWE-476

redhat

web.nvd.nist.gov

cve-2019-14871

reent_check

newlib

memory allocation

debug flag

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.4

Confidence

High

EPSS

0.001

Percentile

34.1%

JSON

The REENT_CHECK macro (see newlib/libc/include/sys/reent.h) as used by REENT_CHECK_TM, REENT_CHECK_MISC, REENT_CHECK_MP and other newlib macros in versions prior to 3.3.0, does not check for memory allocation problems when the DEBUG flag is unset (as is the case in production firmware builds).

Affected configurations

Nvd

Vulners

Node

newlib_projectnewlibRange<3.3.0

VendorProductVersionCPE
newlib_projectnewlib*cpe:2.3:a:newlib_project:newlib:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
newlib_project	newlib	*	cpe:2.3:a:newlib_project:newlib::::::::

CNA Affected

[
  {
    "product": "newlib",
    "vendor": "Red Hat",
    "versions": [
      {
        "status": "affected",
        "version": "all newlib versions prior to 3.3.0"
      }
    ]
  }
]

References

census-labs.com/news/2020/01/31/multiple-null-pointer-dereference-vulnerabilities-in-newlib/

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.4

Confidence

High

EPSS

0.001

Percentile

34.1%

JSON

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