Red Hat Enterprise Linux 6 update for thunderbird
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 4 |
| CVE-ID | CVE-2020-15652 CVE-2020-15659 CVE-2020-6463 CVE-2020-6514 |
| CWE-ID | CWE-200 CWE-119 CWE-416 CWE-358 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #4 is available. |
| Vulnerable software Subscribe |
Red Hat Enterprise Linux for Power, big endian Operating systems & Components / Operating system Red Hat Enterprise Linux for IBM z Systems Operating systems & Components / Operating system Red Hat Enterprise Linux Desktop Operating systems & Components / Operating system Red Hat Enterprise Linux Workstation Operating systems & Components / Operating system Red Hat Enterprise Linux Server Operating systems & Components / Operating system thunderbird (Red Hat package) Operating systems & Components / Operating system package or component |
| Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
1) Information disclosure
EUVDB-ID: #VU32897
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-15652
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output in stack trace for JavaScript errors. A remote attacker can obtain result of a cross-origin redirect.
MitigationInstall updates from vendor's website.
Red Hat Enterprise Linux for Power, big endian: 6
Red Hat Enterprise Linux for IBM z Systems: 6
Red Hat Enterprise Linux Desktop: 6
Red Hat Enterprise Linux Workstation: 6
Red Hat Enterprise Linux Server: 6.0
thunderbird (Red Hat package): before 68.11.0-1.el6_10
CPE2.3- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_power_big_endian:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_ibm_z_systems:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_desktop:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_workstation:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:6.0:*:*:*:*:red_hat_enterprise_linux:*:
http://access.redhat.com/errata/RHSA-2020:3345
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) Buffer overflow
EUVDB-ID: #VU32899
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-15659
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Red Hat Enterprise Linux for Power, big endian: 6
Red Hat Enterprise Linux for IBM z Systems: 6
Red Hat Enterprise Linux Desktop: 6
Red Hat Enterprise Linux Workstation: 6
Red Hat Enterprise Linux Server: 6.0
thunderbird (Red Hat package): before 68.11.0-1.el6_10
CPE2.3- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_power_big_endian:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_ibm_z_systems:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_desktop:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_workstation:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:6.0:*:*:*:*:red_hat_enterprise_linux:*:
http://access.redhat.com/errata/RHSA-2020:3345
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) Use-after-free
EUVDB-ID: #VU29152
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-6463
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to use-after-free error in ANGLE in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a heap-based buffer overflow and execute arbitrary code on the system.
Install updates from vendor's website.
Red Hat Enterprise Linux for Power, big endian: 6
Red Hat Enterprise Linux for IBM z Systems: 6
Red Hat Enterprise Linux Desktop: 6
Red Hat Enterprise Linux Workstation: 6
Red Hat Enterprise Linux Server: 6.0
thunderbird (Red Hat package): before 68.11.0-1.el6_10
CPE2.3- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_power_big_endian:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_ibm_z_systems:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_desktop:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_workstation:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:6.0:*:*:*:*:red_hat_enterprise_linux:*:
http://access.redhat.com/errata/RHSA-2020:3345
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.
4) Improperly implemented security check for standard
EUVDB-ID: #VU29860
Risk: Medium
CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-6514
CWE-ID:
CWE-358 - Improperly Implemented Security Check for Standard
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to WebRTC used the memory address of a class instance as a connection identifier. A remote attacker can use the obtained value to bypass ASLR protection. MitigationInstall updates from vendor's website.
Red Hat Enterprise Linux for Power, big endian: 6
Red Hat Enterprise Linux for IBM z Systems: 6
Red Hat Enterprise Linux Desktop: 6
Red Hat Enterprise Linux Workstation: 6
Red Hat Enterprise Linux Server: 6.0
thunderbird (Red Hat package): before 68.11.0-1.el6_10
CPE2.3- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_power_big_endian:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_ibm_z_systems:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_desktop:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_workstation:6:*:*:*:*:red_hat_enterprise_linux:*:
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server:6.0:*:*:*:*:red_hat_enterprise_linux:*:
http://access.redhat.com/errata/RHSA-2020:3345
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. However, proof of concept for this vulnerability is available.
