National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-5155 Detail

Current Description

In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3.0 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=5513b40999149090987a0341c018d05d3eea1272 Mailing List Patch Vendor Advisory
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=22793 Mailing List Vendor Advisory
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=32806 Exploit Mailing List Vendor Advisory
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34238 Exploit Mailing List Vendor Advisory
https://security.netapp.com/advisory/ntap-20190315-0002/ Patch Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=11053 Exploit Issue Tracking Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=18986 Exploit Issue Tracking Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eb04c21373e2a2885f3d52ff192b0499afe3c672 Mailing List Patch Third Party Advisory
https://support.f5.com/csp/article/K64119434

Technical Details

Vulnerability Type (View All)

  • Data Processing Errors (CWE-19)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
2.28

Configuration 2 ( hide )
 cpe:2.3:a:netapp:cloud_backup:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-5155
NVD Published Date:
02/25/2019
NVD Last Modified:
03/25/2019