Multiple vulnerabilities in Envoy
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 7 |
| CVE-ID | CVE-2024-32976 CVE-2024-34364 CVE-2024-23326 CVE-2024-34362 CVE-2024-34363 CVE-2024-32974 CVE-2024-32975 |
| CWE-ID | CWE-835 CWE-119 CWE-1391 CWE-416 CWE-248 CWE-191 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #4 is available. Public exploit code for vulnerability #5 is available. Public exploit code for vulnerability #6 is available. Public exploit code for vulnerability #7 is available. |
| Vulnerable software Subscribe |
envoy Server applications / IDS/IPS systems, Firewalls and proxy servers |
| Vendor | Cloud Native Computing Foundation |
Security Bulletin
This security bulletin contains information about 7 vulnerabilities.
1) Infinite loop
EUVDB-ID: #VU91152
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-32976
CWE-ID:
CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop. A remote attacker can consume all available system resources and cause denial of service conditions.
MitigationInstall updates from vendor's website.
Vulnerable software versionsenvoy: 1.18.0 - 1.30.1
CPE2.3- cpe:2.3:a:cncf:envoy:1.18.6:*:*:*:*:*:*:*
- cpe:2.3:a:cncf:envoy:1.18.4:*:*:*:*:*:*:*
- cpe:2.3:a:cncf:envoy:1.18.3:*:*:*:*:*:*:*
http://github.com/envoyproxy/envoy/security/advisories/GHSA-7wp5-c2vq-4f8m
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Buffer overflow
EUVDB-ID: #VU91158
Risk: Medium
CVSSv3.1: 5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-34364
CWE-ID:
CWE-119 - Memory corruption
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 mirror response. A remote user can trigger memory corruption and cause a denial of service condition on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsenvoy: 1.0.0 - 1.30.1
CPE2.3- cpe:2.3:a:cncf:envoy:1.30.1:*:*:*:*:*:*:*
- cpe:2.3:a:cncf:envoy:1.29.4:*:*:*:*:*:*:*
- cpe:2.3:a:cncf:envoy:1.28.3:*:*:*:*:*:*:*
http://github.com/envoyproxy/envoy/security/advisories/GHSA-xcj3-h7vf-fw26
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Use of Weak Credentials
EUVDB-ID: #VU91157
Risk: Medium
CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-23326
CWE-ID:
CWE-1391 - Use of Weak Credentials
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the Envoy incorrectly accepts HTTP 200 response for entering upgrade mode. A remote attacker can gain access to sensitive information on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsenvoy: 1.0.0 - 1.30.1
CPE2.3- cpe:2.3:a:cncf:envoy:1.30.1:*:*:*:*:*:*:*
- cpe:2.3:a:cncf:envoy:1.29.4:*:*:*:*:*:*:*
- cpe:2.3:a:cncf:envoy:1.28.3:*:*:*:*:*:*:*
http://github.com/envoyproxy/envoy/security/advisories/GHSA-vcf8-7238-v74c
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Use-after-free
EUVDB-ID: #VU91156
Risk: Medium
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2024-34362
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error in EnvoyQuicServerStream. A remote attacker can cause a denial of service condition on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsenvoy: 1.0.0 - 1.30.1
CPE2.3- cpe:2.3:a:cncf:envoy:1.30.1:*:*:*:*:*:*:*
- cpe:2.3:a:cncf:envoy:1.29.4:*:*:*:*:*:*:*
- cpe:2.3:a:cncf:envoy:1.28.3:*:*:*:*:*:*:*
http://github.com/envoyproxy/envoy/security/advisories/GHSA-hww5-43gv-35jv
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
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.
5) Uncaught Exception
EUVDB-ID: #VU91155
Risk: Medium
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2024-34363
CWE-ID:
CWE-248 - Uncaught Exception
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to uncaught exception in the nlohmann JSON library. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsenvoy: 1.28.0 - 1.30.1
CPE2.3- cpe:2.3:a:cncf:envoy:1.28.3:*:*:*:*:*:*:*
- cpe:2.3:a:cncf:envoy:1.28.2:*:*:*:*:*:*:*
- cpe:2.3:a:cncf:envoy:1.28.1:*:*:*:*:*:*:*
http://github.com/envoyproxy/envoy/security/advisories/GHSA-g979-ph9j-5gg4
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
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.
6) Use-after-free
EUVDB-ID: #VU91154
Risk: Medium
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2024-32974
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error in EnvoyQuicServerStream::OnInitialHeadersComplete() function. A remote attacker can cause a denial of service condition on the target system.
MitigationInstall updates from vendor's website.
envoy: 1.0.0 - 1.30.1
CPE2.3- cpe:2.3:a:cncf:envoy:1.30.1:*:*:*:*:*:*:*
- cpe:2.3:a:cncf:envoy:1.29.4:*:*:*:*:*:*:*
- cpe:2.3:a:cncf:envoy:1.28.3:*:*:*:*:*:*:*
http://github.com/envoyproxy/envoy/security/advisories/GHSA-mgxp-7hhp-8299
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
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.
7) Integer underflow
EUVDB-ID: #VU91153
Risk: Medium
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2024-32975
CWE-ID:
CWE-191 - Integer underflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer underflow in QuicheDataReader::PeekVarInt62Length() function. A remote attacker can send a specially crafted request to the affected application, trigger integer underflow and cause a denial of service condition on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsenvoy: 1.0.0 - 1.30.1
CPE2.3- cpe:2.3:a:cncf:envoy:1.30.1:*:*:*:*:*:*:*
- cpe:2.3:a:cncf:envoy:1.29.4:*:*:*:*:*:*:*
- cpe:2.3:a:cncf:envoy:1.28.3:*:*:*:*:*:*:*
http://github.com/envoyproxy/envoy/security/advisories/GHSA-g9mq-6v96-cpqc
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
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.
