Upstream information

CVE-2016-1546 at MITRE

Description

The Apache HTTP Server 2.4.17 and 2.4.18, when mod_http2 is enabled, does not limit the number of simultaneous stream workers for a single HTTP/2 connection, which allows remote attackers to cause a denial of service (stream-processing outage) via modified flow-control windows.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.3
Vector AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 5.9
Vector AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector Network
Access Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
SUSE Bugzilla entry: 980370 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Server 12 SP2
  • apache2 >= 2.4.23-14.7
  • apache2-doc >= 2.4.23-14.7
  • apache2-example-pages >= 2.4.23-14.7
  • apache2-prefork >= 2.4.23-14.7
  • apache2-utils >= 2.4.23-14.7
  • apache2-worker >= 2.4.23-14.7
Patchnames:
SUSE Linux Enterprise Server 12 SP2 GA apache2
SUSE Linux Enterprise Server 12 SP3
  • apache2 >= 2.4.23-28.1
  • apache2-doc >= 2.4.23-28.1
  • apache2-example-pages >= 2.4.23-28.1
  • apache2-prefork >= 2.4.23-28.1
  • apache2-utils >= 2.4.23-28.1
  • apache2-worker >= 2.4.23-28.1
Patchnames:
SUSE Linux Enterprise Server 12 SP3 GA apache2
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2
  • apache2 >= 2.4.23-14.7
  • apache2-doc >= 2.4.23-14.7
  • apache2-example-pages >= 2.4.23-14.7
  • apache2-prefork >= 2.4.23-14.7
  • apache2-utils >= 2.4.23-14.7
  • apache2-worker >= 2.4.23-14.7
Patchnames:
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 GA apache2
SUSE Linux Enterprise Software Development Kit 12 SP2
  • apache2-devel >= 2.4.23-14.7
Patchnames:
SUSE Linux Enterprise Software Development Kit 12 SP2 GA apache2-devel
SUSE Linux Enterprise Software Development Kit 12 SP3
  • apache2-devel >= 2.4.23-28.1
Patchnames:
SUSE Linux Enterprise Software Development Kit 12 SP3 GA apache2-devel
openSUSE Leap 42.2
  • apache2 >= 2.4.23-4.3
  • apache2-devel >= 2.4.23-4.3
  • apache2-doc >= 2.4.23-4.3
  • apache2-example-pages >= 2.4.23-4.3
  • apache2-prefork >= 2.4.23-4.3
  • apache2-utils >= 2.4.23-4.3
Patchnames:
openSUSE Leap 42.2 GA apache2
openSUSE Leap 42.3
  • apache2 >= 2.4.23-11.2
  • apache2-devel >= 2.4.23-11.2
  • apache2-doc >= 2.4.23-11.2
  • apache2-example-pages >= 2.4.23-11.2
  • apache2-prefork >= 2.4.23-11.2
  • apache2-utils >= 2.4.23-11.2
Patchnames:
openSUSE Leap 42.3 GA apache2


Status of this issue by product and package

Product(s) Source package State
SUSE Linux Enterprise SDK 11 SP4 apache2 Not affected
SUSE Linux Enterprise SDK 12 GA apache2 Not affected
SUSE Linux Enterprise SDK 12 SP1 apache2 Unsupported
SUSE Linux Enterprise Server 10 SP4 LTSS apache2 Not affected
SUSE Linux Enterprise Server 11 SP2 LTSS apache2 Not affected
SUSE Linux Enterprise Server 11 SP3 LTSS apache2 Not affected
SUSE Linux Enterprise Server 11 SP4 apache2 Not affected
SUSE Linux Enterprise Server 12 GA apache2 Not affected
SUSE Linux Enterprise Server 12 SP1 apache2 Unsupported
SUSE Studio Onsite 1.3 apache2 Not affected