National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-7476 Detail

Current Description

Gnulib before 2017-04-26 has a heap-based buffer overflow with the TZ environment variable. The error is in the save_abbr function in time_rz.c.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.8 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
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): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


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

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commit;h=94e01571507835ff59dd8ce2a0b56a4b566965a4 Patch Third Party Advisory
http://www.securityfocus.com/bid/98098 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1444774 Exploit Issue Tracking Mitigation Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1445185 Issue Tracking Patch Third Party Advisory VDB Entry
https://security-tracker.debian.org/tracker/CVE-2017-7476 Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:gnulib:gnulib:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2017-04-25


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-7476
NVD Published Date:
05/02/2017
NVD Last Modified:
05/15/2017