CVE-2017-7476

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Summary

CVECVE-2017-7476
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-05-02 17:59:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionGnulib 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.

Risk And Classification

Primary CVSS: v3.0 9.8 CRITICAL from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-119 | heap-based buffer overflow

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary9.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Gnulib Gnulib All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Gnulib Before 2017-04-26 affected Gnulib before 2017-04-26 Not specified

References

ReferenceSourceLinkTags
Savannah Git Hosting - gnulib.git/commit af854a3a-2127-422b-91ae-364da2661108 git.savannah.gnu.org
CVE-2017-7476 af854a3a-2127-422b-91ae-364da2661108 security-tracker.debian.org Third Party Advisory
Gnulib CVE-2017-7476 Local Heap Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
1445185 – (CVE-2017-7476) CVE-2017-7476 gnulib: Out-of-bounds write by setting a large TZ variable af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory, VDB Entry
Bug 1444774 – heap overflow security issue in date(1) and touch(1) af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Exploit, Issue Tracking, Mitigation, Third Party Advisory, VDB Entry
Savannah Git Hosting - gnulib.git/commit MITRE git.savannah.gnu.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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