Lucene search

K
cloudfoundryCloud FoundryCFOUNDRY:972AB0859F9482FEA8604E3B0CA1F23D
HistoryAug 25, 2022 - 12:00 a.m.

USN-5550-1: GnuTLS vulnerabilities | Cloud Foundry

2022-08-2500:00:00
Cloud Foundry
www.cloudfoundry.org
10

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

55.2%

Severity

Medium

Vendor

Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 18.04

Description

It was discovered that GnuTLS incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause GnuTLS to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2021-4209) It was discovered that GnuTLS incorrectly handled the verification of certain pkcs7 signatures. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2022-2509) Update Instructions: Run sudo ua fix USN-5550-1 to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libgnutls30 – 3.5.18-1ubuntu1.6 libgnutls28-dev – 3.5.18-1ubuntu1.6 libgnutls-openssl27 – 3.5.18-1ubuntu1.6 gnutls-doc – 3.5.18-1ubuntu1.6 libgnutls-dane0 – 3.5.18-1ubuntu1.6 gnutls-bin – 3.5.18-1ubuntu1.6 libgnutlsxx28 – 3.5.18-1ubuntu1.6 No subscription required

CVEs contained in this USN include: CVE-2021-4209, CVE-2022-2509.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Bionic Stemcells
    • 1.x versions prior to 1.97
    • All other stemcells not listed.
  • cflinuxfs3
    • All versions prior to 0.313.0
  • CF Deployment
    • All versions

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below.

The Cloud Foundry project recommends upgrading the following releases:

  • Bionic Stemcells
    • Upgrade 1.x versions to 1.97 or greater
    • All other stemcells should be upgraded to the latest version available on bosh.io.
  • cflinuxfs3
    • Upgrade all versions to 0.313.0 or greater
  • CF Deployment
    • There are no fixed versions of this product

References

History

2022-08-25: Initial vulnerability report published.

CPENameOperatorVersion
bionic stemcellslt1.97
cflinuxfs3lt0.313.0

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

55.2%

Related for CFOUNDRY:972AB0859F9482FEA8604E3B0CA1F23D