CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
61.9%
Issue Overview:
A flaw was found in OpenEXR’s B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability. (CVE-2021-20298)
A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds write on the heap. The greatest impact of this flaw is to application availability, with some potential impact to data integrity as well. (CVE-2021-20303)
A flaw was found in OpenEXR’s hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this vulnerability is to system availability. (CVE-2021-20304)
There is a flaw in OpenEXR in versions before 3.0.0-beta. An attacker who can submit a crafted file to be processed by OpenEXR could cause an integer overflow, potentially leading to problems with application availability. (CVE-2021-3475)
There’s a flaw in OpenEXR’s rleUncompress functionality in versions prior to 3.0.5. An attacker who is able to submit a crafted file to an application linked with OpenEXR could cause an out-of-bounds read. The greatest risk from this flaw is to application availability. (CVE-2021-3605)
Affected Packages:
OpenEXR
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update OpenEXR to update your system.
New Packages:
aarch64:
OpenEXR-1.7.1-8.amzn2.0.2.aarch64
OpenEXR-devel-1.7.1-8.amzn2.0.2.aarch64
OpenEXR-libs-1.7.1-8.amzn2.0.2.aarch64
OpenEXR-debuginfo-1.7.1-8.amzn2.0.2.aarch64
i686:
OpenEXR-1.7.1-8.amzn2.0.2.i686
OpenEXR-devel-1.7.1-8.amzn2.0.2.i686
OpenEXR-libs-1.7.1-8.amzn2.0.2.i686
OpenEXR-debuginfo-1.7.1-8.amzn2.0.2.i686
src:
OpenEXR-1.7.1-8.amzn2.0.2.src
x86_64:
OpenEXR-1.7.1-8.amzn2.0.2.x86_64
OpenEXR-devel-1.7.1-8.amzn2.0.2.x86_64
OpenEXR-libs-1.7.1-8.amzn2.0.2.x86_64
OpenEXR-debuginfo-1.7.1-8.amzn2.0.2.x86_64
Red Hat: CVE-2021-20298, CVE-2021-20303, CVE-2021-20304, CVE-2021-3475, CVE-2021-3605
Mitre: CVE-2021-20298, CVE-2021-20303, CVE-2021-20304, CVE-2021-3475, CVE-2021-3605
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | openexr | < 1.7.1-8.amzn2.0.2 | OpenEXR-1.7.1-8.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | openexr-devel | < 1.7.1-8.amzn2.0.2 | OpenEXR-devel-1.7.1-8.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | openexr-libs | < 1.7.1-8.amzn2.0.2 | OpenEXR-libs-1.7.1-8.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | openexr-debuginfo | < 1.7.1-8.amzn2.0.2 | OpenEXR-debuginfo-1.7.1-8.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | i686 | openexr | < 1.7.1-8.amzn2.0.2 | OpenEXR-1.7.1-8.amzn2.0.2.i686.rpm |
Amazon Linux | 2 | i686 | openexr-devel | < 1.7.1-8.amzn2.0.2 | OpenEXR-devel-1.7.1-8.amzn2.0.2.i686.rpm |
Amazon Linux | 2 | i686 | openexr-libs | < 1.7.1-8.amzn2.0.2 | OpenEXR-libs-1.7.1-8.amzn2.0.2.i686.rpm |
Amazon Linux | 2 | i686 | openexr-debuginfo | < 1.7.1-8.amzn2.0.2 | OpenEXR-debuginfo-1.7.1-8.amzn2.0.2.i686.rpm |
Amazon Linux | 2 | x86_64 | openexr | < 1.7.1-8.amzn2.0.2 | OpenEXR-1.7.1-8.amzn2.0.2.x86_64.rpm |
Amazon Linux | 2 | x86_64 | openexr-devel | < 1.7.1-8.amzn2.0.2 | OpenEXR-devel-1.7.1-8.amzn2.0.2.x86_64.rpm |
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
61.9%