Vulnerability CVE-2020-27618


Published: 2021-02-26   Modified: 2021-02-27

Description:
The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid multi-byte input sequences in IBM1364, IBM1371, IBM1388, IBM1390, and IBM1399 encodings, fails to advance the input state, which could lead to an infinite loop in applications, resulting in a denial of service, a different vulnerability from CVE-2016-10228.

Type:

CWE-835

(Loop with Unreachable Exit Condition ('Infinite Loop'))

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
GNU -> Glibc 

 References:
https://sourceware.org/bugzilla/show_bug.cgi?id=19519#c21
https://sourceware.org/bugzilla/show_bug.cgi?id=26224

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