Upstream information

CVE-2019-6293 at MITRE

Description

An issue was discovered in the function mark_beginning_as_normal in nfa.c in flex 2.6.4. There is a stack exhaustion problem caused by the mark_beginning_as_normal function making recursive calls to itself in certain scenarios involving lots of '*' characters. Remote attackers could leverage this vulnerability to cause a denial-of-service.

SUSE information

Overall state of this security issue: Pending

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 SUSE
Base Score 5.5 5.3
Vector AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Access Vector Local Network
Access Complexity Low Low
Privileges Required None None
User Interaction Required None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High Low
SUSE Bugzilla entry: 1122028 [NEW]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise High Performance Computing 12 flex Affected
SUSE Linux Enterprise Module for Basesystem 15 GA flex Affected
SUSE Linux Enterprise SDK 11 SP4 flex Affected
SUSE Linux Enterprise SDK 12 SP3 flex Affected
SUSE Linux Enterprise SDK 12 SP4 flex Affected
SUSE Linux Enterprise Server 11 SP3 LTSS flex Affected
SUSE Linux Enterprise Server 11 SP4 flex Affected
SUSE Linux Enterprise Server 12 GA LTSS flex Affected
SUSE Linux Enterprise Server 12 SP1 LTSS flex Affected
SUSE Linux Enterprise Server 12 SP2 LTSS flex Affected
SUSE Linux Enterprise Server 12 SP3 flex Affected
SUSE Linux Enterprise Server 12 SP4 flex Affected
SUSE Linux Enterprise Server for SAP Applications 11 SP3 flex Affected
SUSE Linux Enterprise Server for SAP Applications 12 GA flex Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 flex Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 flex Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 flex Affected