Risk | High |
Patch available | YES |
Number of vulnerabilities | 4 |
CVE-ID | CVE-2020-9948 CVE-2020-9951 CVE-2020-9983 CVE-2020-13584 |
CWE-ID | CWE-843 CWE-416 CWE-787 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
webkit2gtk (Debian package) Operating systems & Components / Operating system package or component |
Vendor | Debian |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
EUVDB-ID: #VU46801
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-2020-9948
CWE-ID:
CWE-843 - Type confusion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error in WebKit component in Apple Safari. A remote attacker can trick the victim to visit a specially crafted web page, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate webkit2gtk package to version 2.30.3-1~deb10u1.
Vulnerable software versionswebkit2gtk (Debian package): 2.30.0 - 2.30.3
External linkshttp://www.debian.org/security/2020/dsa-4797
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.
EUVDB-ID: #VU46802
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-2020-9951
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the aboutBlankURL() function in WebKit component in Apple Safari. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationUpdate webkit2gtk package to version 2.30.3-1~deb10u1.
Vulnerable software versionswebkit2gtk (Debian package): 2.30.0 - 2.30.3
External linkshttp://www.debian.org/security/2020/dsa-4797
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.
EUVDB-ID: #VU46804
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-2020-9983
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in WebKit component in Apple Safari. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger out-of-bounds write and execute arbitrary code on the target system.
MitigationUpdate webkit2gtk package to version 2.30.3-1~deb10u1.
Vulnerable software versionswebkit2gtk (Debian package): 2.30.0 - 2.30.3
External linkshttp://www.debian.org/security/2020/dsa-4797
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.
EUVDB-ID: #VU48617
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-2020-13584
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing HTML content. A remote attacker can trick the victim to visit a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationUpdate webkit2gtk package to version 2.30.3-1~deb10u1.
Vulnerable software versionswebkit2gtk (Debian package): 2.30.0 - 2.30.3
External linkshttp://www.debian.org/security/2020/dsa-4797
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.