Vulnerability CVE-2021-20296


Published: 2021-04-01

Description:
A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.

Type:

CWE-476

(NULL Pointer Dereference)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
ASWF -> Openexr 

 References:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854
https://bugzilla.redhat.com/show_bug.cgi?id=1939141

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