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ubuntuUbuntuUSN-4720-1
HistoryFeb 02, 2021 - 12:00 a.m.

Apport vulnerabilities

2021-02-0200:00:00
ubuntu.com
114
apport
ubuntu
vulnerabilities
local attacker
privileges
arbitrary code
denial of service
cve-2021-25682
cve-2021-25683
cve-2021-25684

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

18.5%

JSON

Releases

  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

  • apport - automatically generate crash reports for debugging

Details

Itai Greenhut discovered that Apport incorrectly parsed certain files in
the /proc filesystem. A local attacker could use this issue to escalate
privileges and run arbitrary code. (CVE-2021-25682, CVE-2021-25683)

Itai Greenhut discovered that Apport incorrectly handled opening certain
special files. A local attacker could possibly use this issue to cause
Apport to hang, resulting in a denial of service. (CVE-2021-25684)

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchapport< 2.20.11-0ubuntu50.5UNKNOWN
Ubuntu20.10noarchapport-gtk< 2.20.11-0ubuntu50.5UNKNOWN
Ubuntu20.10noarchapport-kde< 2.20.11-0ubuntu50.5UNKNOWN
Ubuntu20.10noarchapport-noui< 2.20.11-0ubuntu50.5UNKNOWN
Ubuntu20.10noarchapport-retrace< 2.20.11-0ubuntu50.5UNKNOWN
Ubuntu20.10noarchapport-valgrind< 2.20.11-0ubuntu50.5UNKNOWN
Ubuntu20.10noarchdh-apport< 2.20.11-0ubuntu50.5UNKNOWN
Ubuntu20.10noarchpython3-apport< 2.20.11-0ubuntu50.5UNKNOWN
Ubuntu20.10noarchpython3-problem-report< 2.20.11-0ubuntu50.5UNKNOWN
Ubuntu20.04noarchapport< 2.20.11-0ubuntu27.16UNKNOWN
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1-10 of 401

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Apport vulnerabilities
2021-02-03 00:00:00
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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Apport vulnerabilities (USN-4720-1)
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2021-02-03 00:00:00
Ubuntu: Security Advisory (USN-4720-2)
2022-08-26 00:00:00
prion
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Design/Logic Flaw
2021-06-11 03:15:00
Design/Logic Flaw
2021-06-11 03:15:00
Design/Logic Flaw
2021-06-11 03:15:00
cve
cve
CVE-2021-25683
2021-06-11 03:15:06
CVE-2021-25682
2021-06-11 03:15:06
CVE-2021-25684
2021-06-11 03:15:06
cvelist
cvelist
CVE-2021-25683 apport improperly parses /proc/pid/stat
2021-06-11 02:20:19
CVE-2021-25682 apport improperly parses /proc/pid/status
2021-06-11 02:20:19
CVE-2021-25684 apport can be stalled by reading a FIFO
2021-06-11 02:20:20
veracode
veracode
Privilege Escalation
2021-02-03 04:30:35
Denial Of Service (DoS)
2021-02-03 04:30:33
DNS Cache Poisoning
2021-02-03 04:30:37
cnvd
cnvd
Apport input validation error vulnerability
2021-07-21 00:00:00
Apport Input Validation Error Vulnerability (CNVD-2021-54400)
2021-07-21 00:00:00
ubuntucve
ubuntucve
CVE-2021-25682
2021-02-02 00:00:00
CVE-2021-25684
2021-02-02 00:00:00
CVE-2021-25683
2021-02-02 00:00:00
nvd
nvd
CVE-2021-25683
2021-06-11 03:15:06
CVE-2021-25682
2021-06-11 03:15:06
CVE-2021-25684
2021-06-11 03:15:06

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

18.5%

JSON
Related for USN-4720-1
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