CVE-2017-5336: Buffer Overflow

Published Jan 11, 2017
·
Updated

A vulnerability was found in gnutls. A stack overflow could occur in opencdk in the cdkpkgetkeyid function. A memory corruption could occur when parsing a maliciously crafted OpenPGP certificate.

References:

http://seclists.org/oss-sec/2017/q1/51 https://gnutls.org/security.html#GNUTLS-SA-2017-2

Upstream patch:

https://gitlab.com/gnutls/gnutls/commit/5140422e0d7319a8e2fe07f02cbcafc4d6538732

Other sources

Stack-based buffer overflow in the cdkpkgetkeyid function in lib/opencdk/pubkey.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via a crafted OpenPGP certificate.

— Launchpad

Affected Software

14 affected componentsFixes available
redhat/gnutls<3.3.26
3.3.26
redhat/gnutls<3.5.8
3.5.8
openSUSE Leap=42.1
openSUSE Leap=42.2
GNU GnuTLS<=3.3.25
GNU GnuTLS=3.5.0
GNU GnuTLS=3.5.1
GNU GnuTLS=3.5.2
GNU GnuTLS=3.5.3
GNU GnuTLS=3.5.4
GNU GnuTLS=3.5.5
GNU GnuTLS=3.5.6
GNU GnuTLS=3.5.7
debian/gnutls28
3.7.1-5+deb11u53.7.1-5+deb11u73.7.9-2+deb12u43.8.9-2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/gnutls to a version that resolves this vulnerability.

    Fixed in 3.3.26
  2. Upgrade

    Upgrade redhat/gnutls to a version that resolves this vulnerability.

    Fixed in 3.5.8
  3. Upgrade

    Upgrade debian/gnutls28 to a version that resolves this vulnerability.

    Fixed in 3.7.1-5+deb11u5Fixed in 3.7.1-5+deb11u7Fixed in 3.7.9-2+deb12u4Fixed in 3.8.9-2
  4. Upgrade

    Upgrade gnutls/gnutls to a version that resolves this vulnerability.

    Fixed in 3.3.26
  5. Upgrade

    Upgrade gnutls/gnutls to a version that resolves this vulnerability.

    Fixed in 3.5.8

Event History

Mar 24, 2017
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
Description
Data Sourced
via NVD·03:59 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·10:37 PM
Description
Sep 20, 2024
Data Sourced
via Ubuntu·01:15 AM
RemedyDescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2017-5336?

CVE-2017-5336 is classified as a high severity vulnerability due to the potential for remote code execution and memory corruption.

2

How do I fix CVE-2017-5336?

To fix CVE-2017-5336, update GnuTLS to version 3.3.26 or later for Red Hat or to 3.7.1-5+deb11u5 or later for Debian.

3

What is affected by CVE-2017-5336?

CVE-2017-5336 affects versions of GnuTLS up to 3.3.25 and several specific Debian and openSUSE versions.

4

What types of attacks can exploit CVE-2017-5336?

CVE-2017-5336 can be exploited through parsing a specially crafted OpenPGP certificate, leading to stack overflow.

5

Is CVE-2017-5336 resolved in newer versions?

Yes, CVE-2017-5336 is resolved in GnuTLS versions 3.3.26, 3.5.8, and later, as well as in specific Debian updates.

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