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Cloud FoundryCFOUNDRY:1550CCC59E355E3813D1C89B0774C2F9
HistoryJun 11, 2021 - 12:00 a.m.

USN-4971-1: libwebp vulnerabilities | Cloud Foundry

2021-06-1100:00:00
Cloud Foundry
www.cloudfoundry.org
29

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

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

0.008 Low

EPSS

Percentile

80.5%

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 18.04

Description

It was discovered that libwebp incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image file, a remote attacker could use this issue to cause libwebp to crash, resulting in a denial of service, or possibly execute arbitrary code.

CVEs contained in this USN include: CVE-2020-36331, CVE-2018-25010, CVE-2018-25011, CVE-2020-36330, CVE-2020-36329, CVE-2018-25013, CVE-2018-25009, CVE-2020-36332, CVE-2020-36328, CVE-2018-25014, CVE-2018-25012.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • cflinuxfs3
    • All versions prior to 0.242.0
  • CF Deployment
    • All versions prior to 16.15.0

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

  • cflinuxfs3
    • Upgrade all versions to 0.242.0 or greater
  • CF Deployment
    • Upgrade all versions to 16.15.0 or greater

References

History

2021-06-11: Initial vulnerability report published.

CPENameOperatorVersion
cflinuxfs3lt0.242.0
cf deploymentlt16.15.0
How to protect your server from attacks?

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

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

0.008 Low

EPSS

Percentile

80.5%

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