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ubuntuUbuntuUSN-5320-1
HistoryMar 10, 2022 - 12:00 a.m.

Expat vulnerabilities and regression

2022-03-1000:00:00
ubuntu.com
113

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

9.7 High

AI Score

Confidence

Low

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

0.025 Low

EPSS

Percentile

89.9%

Releases

  • Ubuntu 21.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • expat - XML parsing C library

Details

USN-5288-1 fixed several vulnerabilities in Expat. For CVE-2022-25236 it
caused a regression and an additional patch was required. This update address
this regression and several other vulnerabilities.

It was discovered that Expat incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2022-25313)

It was discovered that Expat incorrectly handled certain files.
An attacker could possibly use this issue to cause a crash
or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS,
Ubuntu 20.04 LTS, and Ubuntu 21.10. (CVE-2022-25314)

It was discovered that Expat incorrectly handled certain files.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code. (CVE-2022-25315)

Original advisory details:

It was discovered that Expat incorrectly handled certain files.
An attacker could possibly use this issue to cause a crash or
execute arbitrary code. (CVE-2022-25236)

Rows per page:
1-10 of 351

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

9.7 High

AI Score

Confidence

Low

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

0.025 Low

EPSS

Percentile

89.9%