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ubuntuUbuntuUSN-5172-2
HistoryDec 09, 2021 - 12:00 a.m.

uriparser vulnerability

2021-12-0900:00:00
ubuntu.com
6

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

9.3 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.009 Low

EPSS

Percentile

82.8%

Releases

  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • uriparser - Strictly RFC 3986 compliant URI parsing library

Details

USN-5172-1 fixed vulnerabilities in uriparser.
This update provides the corresponding updates for Ubuntu 14.04 ESM and
Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that uriparser mishandled certain input. An attacker
could use this vulnerability to cause uriparser to crash or possibly
execute arbitrary code. (CVE-2018-19198, CVE-2018-19199, CVE-2018-19200)

It was discovered that uriparser incorrectly handled certain URIs. An
attacker could use this vulnerability to cause a crash or possibly leak
sensitive information. (CVE-2018-20721)

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

9.3 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.009 Low

EPSS

Percentile

82.8%