CVE-2020-29562 Information

Description

The iconv function in the GNU C Library (aka glibc or libc6) 2.30 to 2.32 when converting UCS4 text containing an irreversible character fails an assertion in the code path and aborts the program potentially resulting in a denial of service.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H

Reference

https://sourceware.org/bugzilla/show_bug.cgi?id=26923 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TVCUNLQ3HXGS4VPUQKWTJGRAW2KTFGXS/ https://security.gentoo.org/glsa/202101-20 https://security.netapp.com/advisory/ntap-20210122-0004/ https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772@%3Cdev.mina.apache.org%3E

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

4.8