Vulnerability CVE-2021-28855
Published: 2021-04-14

Description:
In Deark before 1.5.8, a specially crafted input file can cause a NULL pointer dereference in the dbuf_write function (src/deark-dbuf.c).

Type:

CWE-476

 (NULL Pointer Dereference)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Entropymine -> Deark 

 References:
https://github.com/jsummers/deark/commit/287f5ac31dfdc074669182f51ece637706070eeb
https://fatihhcelik.github.io/posts/NULL-Pointer-Dereference-Deark/
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