Vulnerability Monitor

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CVE-2020-29562

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.

Published

2020-12-04T07:15:11.003

Last Modified

2025-06-09T16:15:32.127

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:H/Au:S/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: HIGH
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
CWE-617
Type: Secondary
CWE-617

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	glibc	≤ 2.32	Yes
Operating System	fedoraproject	fedora	32	Yes
Application	netapp	e-series_santricity_os_controller	≤ 11.60.3	Yes

References

https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TVCUNLQ3HXGS4VPUQKWTJGRAW2KTFGXS/ ([email protected])
https://security.gentoo.org/glsa/202101-20 Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20210122-0004/ Third Party Advisory ([email protected])
https://sourceware.org/bugzilla/show_bug.cgi?id=26923 Exploit, Issue Tracking, Patch, Third Party Advisory ([email protected])
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TVCUNLQ3HXGS4VPUQKWTJGRAW2KTFGXS/ (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202101-20 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210122-0004/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://sourceware.org/bugzilla/show_bug.cgi?id=26923 Exploit, Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)