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CVE-2021-43396
CVE ID
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CVE-2021-43396
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
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.
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CVSS V3 Severity and Metrics
General Information
Vendors
- gnu,
- oracle
Products
- communications cloud native core binding support function 22.1.3,
- communications cloud native core network function cloud native environment 22.1.0,
- communications cloud native core network repository function 22.1.2,
- communications cloud native core network repository function 22.2.0,
- communications cloud native core security edge protection proxy 22.1.1,
- communications cloud native core unified data repository 22.2.0,
- enterprise operations monitor 4.3,
- enterprise operations monitor 4.4,
- enterprise operations monitor 5.0,
- glibc 2.34
References
Miscellaneous
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
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