Debian update for webkit2gtk
| Risk | Critical |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2023-39928 CVE-2023-41074 CVE-2023-41993 |
| CWE-ID | CWE-416 CWE-119 |
| Exploitation vector | Network |
| Public exploit | Vulnerability #3 is being exploited in the wild. |
| Vulnerable software |
Debian Linux Operating systems & Components / Operating system webkit2gtk (Debian package) Operating systems & Components / Operating system package or component |
| Vendor | Debian |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Use-after-free
EUVDB-ID: #VU81456
Risk: High
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2023-39928
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 in the MediaRecorder API of the WebKit GStreamer-based ports. A remote attacker can trick the victim to open 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 one of the following versions: 2.42.1-1~deb11u1, 2.42.1-1~deb12u1.
Vulnerable software versionsDebian Linux: All versions
webkit2gtk (Debian package): before 2.42.1-1~deb11u1
CPE2.3- cpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
- cpe:2.3:a:debian:webkit2gtk_debian_package:*:*:*:*:*:debian_linux:*:*
https://www.debian.org/security/2023/dsa-5527
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: #VU81179
Risk: High
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2023-41074
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 in WebKit. A remote attacker can create a specially crafted website, 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.
MitigationUpdate webkit2gtk package to one of the following versions: 2.42.1-1~deb11u1, 2.42.1-1~deb12u1.
Vulnerable software versionsDebian Linux: All versions
webkit2gtk (Debian package): before 2.42.1-1~deb11u1
CPE2.3- cpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
- cpe:2.3:a:debian:webkit2gtk_debian_package:*:*:*:*:*:debian_linux:*:*
https://www.debian.org/security/2023/dsa-5527
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) Buffer overflow
EUVDB-ID: #VU81042
Risk: Critical
CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]
CVE-ID: CVE-2023-41993
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: Yes
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 in WebKit. A remote attacker can create a specially crafted website, 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.
Note, the vulnerability is being actively exploited in the wild.
Update webkit2gtk package to one of the following versions: 2.42.1-1~deb11u1, 2.42.1-1~deb12u1.
Vulnerable software versionsDebian Linux: All versions
webkit2gtk (Debian package): before 2.42.1-1~deb11u1
CPE2.3- cpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
- cpe:2.3:a:debian:webkit2gtk_debian_package:*:*:*:*:*:debian_linux:*:*
https://www.debian.org/security/2023/dsa-5527
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?
Yes. This vulnerability is being exploited in the wild.
