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ubuntuUbuntuUSN-4221-1
HistoryDec 11, 2019 - 12:00 a.m.

libpcap vulnerability

2019-12-1100:00:00
ubuntu.com
68

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

6.5 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.005 Low

EPSS

Percentile

76.3%

Releases

  • Ubuntu 19.04
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • libpcap - Library for for user-level network packet capture

Details

It was discovered that libpcap did not properly validate PHB headers in
some situations. An attacker could use this to cause a denial of service
(memory exhaustion).

OSVersionArchitecturePackageVersionFilename
Ubuntu19.04noarchlibpcap0.8< 1.8.1-6ubuntu1.19.04.1UNKNOWN
Ubuntu19.04noarchlibpcap-dev< 1.8.1-6ubuntu1.19.04.1UNKNOWN
Ubuntu19.04noarchlibpcap0.8-dbg< 1.8.1-6ubuntu1.19.04.1UNKNOWN
Ubuntu19.04noarchlibpcap0.8-dev< 1.8.1-6ubuntu1.19.04.1UNKNOWN
Ubuntu18.04noarchlibpcap0.8< 1.8.1-6ubuntu1.18.04.1UNKNOWN
Ubuntu18.04noarchlibpcap-dev< 1.8.1-6ubuntu1.18.04.1UNKNOWN
Ubuntu18.04noarchlibpcap0.8-dbg< 1.8.1-6ubuntu1.18.04.1UNKNOWN
Ubuntu18.04noarchlibpcap0.8-dev< 1.8.1-6ubuntu1.18.04.1UNKNOWN
Ubuntu16.04noarchlibpcap0.8< 1.7.4-2ubuntu0.1UNKNOWN
Ubuntu16.04noarchlibpcap-dev< 1.7.4-2ubuntu0.1UNKNOWN
Rows per page:
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5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

6.5 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.005 Low

EPSS

Percentile

76.3%