High severity · published Jul 1, 2021
CVE-2021-36082
ntop nDPI 3.4 has a stack-based buffer overflow in processClientServerHello
8.8
CVSS
1.8%
EPSS
No
On KEV
Description
ntop nDPI 3.4 has a stack-based buffer overflow in processClientServerHello.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ND
Ndpi · Ntop
3.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36082
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36082
Exploit
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30393
Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/ndpi/OSV-2021-304.yaml
Patch
https://github.com/ntop/nDPI/commit/1ec621c85b9411cc611652fd57a892cfef478af3
More from Ndpi
9.8
CVE-2020-15475
In nDPI through 3.2, ndpi_reset_packet_line_info in lib/ndpi_main.c omits certain reinitialization, leading to a use-after-free
9.8
CVE-2020-15474
In nDPI through 3.2, there is a stack overflow in extractRDNSequence in lib/protocols/tls.c
9.8
CVE-2020-11939
In nDPI through 3.2 Stable, the SSH protocol dissector has multiple KEXINIT integer overflows that result in a controlled remote heap overflow in concat_hash_string in ssh.c
9.1
CVE-2020-15473
In nDPI through 3.2, the OpenVPN dissector is vulnerable to a heap-based buffer over-read in ndpi_search_openvpn in lib/protocols/openvpn.c
9.1
CVE-2020-15472
In nDPI through 3.2, the H.323 dissector is vulnerable to a heap-based buffer over-read in ndpi_search_h323 in lib/protocols/h323.c, as demonstrated by a payload packet length…
