Medium: OpenEXR

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  

Additional References

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