CVE-2021-43396

Published: Nov 4, 2021Updated: Nov 21, 2024 Sources: CVE List NVD csafNVD-CWE-noinfo

7.5HIGH

NVD MITRE

Description

In iconvdata/iso-2022-jp-3.c in the GNU C Library (aka glibc) 2.34, remote attackers can force iconv() to emit a spurious '\0' character via crafted ISO-2022-JP-3 data that is accompanied by an internal state reset. This may affect data integrity in certain iconv() use cases. NOTE: the vendor states "the bug cannot be invoked through user input and requires iconv to be invoked with a NULL inbuf, which ought to require a separate application bug to do so unintentionally. Hence there's no security impact to the bug.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:HIntegrity

High

A:NAvailability

None

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Weaknesses

NVD-CWE-noinfo

Affected Products

oracle

commercial·USaka oracle corp.

communications cloud native core binding support function

Communications

communications cloud native core network function cloud native environmentOn-premDatabase

Databases / data-warehouse-analytics

communications cloud native core network repository functionOn-premDatabase

Databases / data-warehouse-analytics

communications cloud native core security edge protection proxyOn-prem

Networking Infrastructure / firewall

communications cloud native core unified data repositoryOn-premDatabase

Databases / data-warehouse-analytics

enterprise operations monitorOn-prem

Enterprise Software / itsm-monitoring

gnu

oss-project·USaka g. nu

glibc

OSS Libraries

and 1 more affected products View all →

Exploitability

Official Patch Available

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References

https://blog.tuxcare.com/vulnerability/vulnerability-in-iconv-identified-by-tuxcare-team-cve-2021-43396

blog.tuxcare.com

https://sourceware.org/bugzilla/show_bug.cgi?id=28524

sourceware.org

https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=ff012870b2c02a62598c04daa1e54632e020fd7d

sourceware.org

and 11 more references View all →

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