Ubuntu update for openexr
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2020-16587 CVE-2020-16588 CVE-2020-16589 |
| CWE-ID | CWE-122 CWE-476 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system openexr (Ubuntu package) Operating systems & Components / Operating system package or component libopenexr24 (Ubuntu package) Operating systems & Components / Operating system package or component libopenexr22 (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Heap-based buffer overflow
EUVDB-ID: #VU51176
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-16587
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in chunkOffsetReconstruction in ImfMultiPartInputFile.cpp. A remote attacker can use a specially crafted EXR file, trigger heap-based buffer overflow and cause a denial of service condition on the target system.
MitigationUpdate the affected package openexr to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 20.04
openexr (Ubuntu package): before 2.3.0-6ubuntu0.3
libopenexr24 (Ubuntu package): before 2.3.0-6ubuntu0.3
libopenexr22 (Ubuntu package): before 2.2.0-11.1ubuntu1.4
External linkshttp://ubuntu.com/security/notices/USN-4676-1
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) NULL pointer dereference
EUVDB-ID: #VU51175
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-16588
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in generatePreview in makePreview.cpp. A remote attacker can use a specially crafted EXR file and perform a denial of service (DoS) attack.
MitigationUpdate the affected package openexr to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 20.04
openexr (Ubuntu package): before 2.3.0-6ubuntu0.3
libopenexr24 (Ubuntu package): before 2.3.0-6ubuntu0.3
libopenexr22 (Ubuntu package): before 2.2.0-11.1ubuntu1.4
External linkshttp://ubuntu.com/security/notices/USN-4676-1
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Heap-based buffer overflow
EUVDB-ID: #VU51177
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-16589
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in writeTileData in ImfTiledOutputFile.cpp. A remote attacker can use a specially crafted EXR file, trigger heap-based buffer overflow and cause a denial of service condition on the target system.
MitigationUpdate the affected package openexr to the latest version.
Vulnerable software versionsUbuntu: 16.04 - 20.04
openexr (Ubuntu package): before 2.3.0-6ubuntu0.3
libopenexr24 (Ubuntu package): before 2.3.0-6ubuntu0.3
libopenexr22 (Ubuntu package): before 2.2.0-11.1ubuntu1.4
External linkshttp://ubuntu.com/security/notices/USN-4676-1
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
