Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU87649
Risk: Medium
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-43279
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 within the mask_cidr6 component in cidr.c. A remote attacker can trigger denial of service conditions via crafted tcprewrite command.
MitigationInstall update from vendor's website.
Vulnerable software versionsTcpreplay: 4.4.3 - 4.4.4
CPE2.3 External linkshttps://github.com/appneta/tcpreplay/issues/824
https://github.com/GabrielGanne/tcpreplay/commit/a0b6d847f468217b8fd675f788e6eca74a21a90c
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: #VU87648
Risk: Medium
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-4256
CWE-ID:
CWE-415 - Double Free
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 within the tcpedit_dlt_cleanup() function in plugins/dlt_plugins.c. A remote attacker can pass specially crafted data to the application, trigger a double free error and perform a denial of service (DoS) attack.
Install updates from vendor's website.
Vulnerable software versionsTcpreplay: 4.4.3 - 4.4.4
CPE2.3 External linkshttps://bugzilla.redhat.com/show_bug.cgi?id=2255212
https://github.com/appneta/tcpreplay/issues/813
https://github.com/GabrielGanne/tcpreplay/commit/55ad9d1d701e644ed5b8821456e31acf2e72920c
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.