CVE-2024-32664: Suricata's base64 contains an out of bounds write

Published May 7, 2024
·
Updated

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, specially crafted traffic or datasets can cause a limited buffer overflow. This vulnerability is fixed in 7.0.5 and 6.0.19. Workarounds include not use rules with base64decode keyword with bytes option with value 1, 2 or 5 and for 7.0.x, setting app-layer.protocols.smtp.mime.body-md5 to false.

Affected Software

10 affected componentsFixes available
OISF Suricata>=6.0.0<6.0.19
OISF Suricata>=7.0.0<7.0.5
debian/suricata<1:7.0.5-1
1:7.0.5-1
debian/suricata<1:7.0.5-1
1:7.0.5-1
debian/suricata
1:7.0.10-1+deb13u41:8.0.8-1
alpine/suricata>=6.0.0<7.0.6-r0
7.0.6-r0
alpine/suricata>=6.0.0<7.0.6-r0
7.0.6-r0
alpine/suricata>=6.0.0<7.0.6-r0
7.0.6-r0
alpine/suricata>=6.0.0<7.0.6-r0
7.0.6-r0
alpine/suricata>=6.0.0<7.0.6-r0
7.0.6-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 1:7.0.5-1
  2. Upgrade

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

    Fixed in 1:7.0.10-1+deb13u4Fixed in 1:8.0.8-1
  3. Upgrade

    Upgrade alpine/suricata to a version that resolves this vulnerability.

    Fixed in 7.0.6-r0
  4. Upgrade

    Upgrade Suricata to a version that resolves this vulnerability.

    Fixed in 7.0.5
  5. Upgrade

    Upgrade Suricata to a version that resolves this vulnerability.

    Fixed in 6.0.19
  6. Configuration

    Do not use rules with the base64_decode keyword when the bytes option is set to 1, 2, or 5.

    Suricata base64_decode rules with bytes option = Do not use bytes values 1, 2, or 5
  7. Configuration

    For 7.0.x, set app-layer.protocols.smtp.mime.body-md5 to false.

    Suricata 7.0.x app-layer.protocols.smtp.mime.body-md5 = false

Event History

May 7, 2024
CVE Published
via MITRE·02:57 PM
Data Sourced
via MITRE·02:57 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·03:15 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-32664?

CVE-2024-32664 is classified as a limited buffer overflow vulnerability affecting Suricata versions prior to 6.0.19 and 7.0.5.

2

How do I fix CVE-2024-32664?

To fix CVE-2024-32664, upgrade Suricata to version 6.0.19 or 7.0.5 or later.

3

What versions of Suricata are affected by CVE-2024-32664?

CVE-2024-32664 affects Suricata versions 6.0.0 to 6.0.18 and 7.0.0 to 7.0.4.

4

What types of attacks can exploit CVE-2024-32664?

CVE-2024-32664 can be exploited through specially crafted traffic or datasets that trigger the buffer overflow.

5

Are there any workarounds for CVE-2024-32664?

Temporary workarounds for CVE-2024-32664 involve restrictions on the type of traffic processed by Suricata before the software is updated.

Company

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Contact

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