CVE-2021-0240
Description
On Juniper Networks Junos OS platforms configured as DHCPv6 local server or DHCPv6 Relay Agent, the Juniper Networks Dynamic Host Configuration Protocol Daemon (JDHCPD) process might crash if a malformed DHCPv6 packet is received, resulting in a restart of the daemon. The daemon automatically restarts without intervention, but continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue only affects DHCPv6. DHCPv4 is not affected by this issue. This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S12; 17.4 versions prior to 17.4R3-S5; 18.1 versions prior to 18.1R3-S13; 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R1-S8, 18.4R3-S7; 19.1 versions prior to 19.1R3-S5; 19.2 versions prior to 19.2R3-S2; 19.3 versions prior to 19.3R3-S2; 19.4 versions prior to 19.4R3-S2; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R2-S3, 20.2R3; 20.3 versions prior to 20.3R2; 20.4 versions prior to 20.4R2.
Risk Information
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Multiple Vulnerabilities are fixed in junos 17.3R3-S12 | NCM |
| Multiple Vulnerabilities are fixed in junos 17.4R3-S5 | NCM |
| Multiple Vulnerabilities are fixed in junos 18.1R3-S13 | NCM |
| Multiple Vulnerabilities are fixed in junos 18.2R3-S8 | NCM |
| Multiple Vulnerabilities are fixed in junos 18.3R3-S5 | NCM |
| Multiple Vulnerabilities are fixed in junos 18.4R3-S7 | NCM |
| Vulnerabilities CVE-2021-0229,CVE-2021-0240,CVE-2021-0241 are fixed in junos 19.1R3-S5 | NCM |
| Multiple Vulnerabilities are fixed in junos 19.2R3-S2 | NCM |
| Multiple Vulnerabilities are fixed in junos 19.3R3-S2 | NCM |
| Multiple Vulnerabilities are fixed in junos 19.4R3-S2 | NCM |
| Multiple Vulnerabilities are fixed in junos 20.1R3 | NCM |
| Multiple Vulnerabilities are fixed in junos 20.2R3 | NCM |
| Multiple Vulnerabilities are fixed in junos 20.3R2 | NCM |
| Multiple Vulnerabilities are fixed in junos 20.4R2. | NCM |
| Improper Check or Handling of Exceptional Conditions Vulnerability (CVE-2021-0240) | NCM |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
| PATCH-1704488 | Security Update for junos 9.2r1 |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234