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ubuntuUbuntuUSN-6166-1
HistoryJun 14, 2023 - 12:00 a.m.

libcap2 vulnerabilities

2023-06-1400:00:00
ubuntu.com
31
ubuntu
libcap2
denial of service
memory consumption
code execution
cve-2023-2602
cve-2023-2603

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.8 High

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

14.2%

Releases

  • Ubuntu 23.04
  • Ubuntu 22.10
  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS

Packages

  • libcap2 - POSIX 1003.1e capabilities (library)

Details

David Gstir discovered that libcap2 incorrectly handled certain return
codes. An attacker could possibly use this issue to cause libcap2 to
consume memory, leading to a denial of service. (CVE-2023-2602)

Richard Weinberger discovered that libcap2 incorrectly handled certain long
input strings. An attacker could use this issue to cause libcap2 to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2023-2603)

OSVersionArchitecturePackageVersionFilename
Ubuntu23.04noarchlibcap2< 1:2.66-3ubuntu2.1UNKNOWN
Ubuntu23.04noarchlibcap-dev< 1:2.66-3ubuntu2.1UNKNOWN
Ubuntu23.04noarchlibcap-dev-dbgsym< 1:2.66-3ubuntu2.1UNKNOWN
Ubuntu23.04noarchlibcap2-bin< 1:2.66-3ubuntu2.1UNKNOWN
Ubuntu23.04noarchlibcap2-bin-dbgsym< 1:2.66-3ubuntu2.1UNKNOWN
Ubuntu23.04noarchlibcap2-dbgsym< 1:2.66-3ubuntu2.1UNKNOWN
Ubuntu23.04noarchlibpam-cap< 1:2.66-3ubuntu2.1UNKNOWN
Ubuntu23.04noarchlibpam-cap-dbgsym< 1:2.66-3ubuntu2.1UNKNOWN
Ubuntu22.10noarchlibcap2< 1:2.44-1ubuntu0.22.10.1UNKNOWN
Ubuntu22.10noarchlibcap-dev< 1:2.44-1ubuntu0.22.10.1UNKNOWN
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7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.8 High

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

14.2%