CVE-2018-6953
CVE-2018-6953 is a critical-severity vulnerability in Ccn-lite with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (72nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Ccn-lite
- Published:
- Last modified:
Description
In CCN-lite 2, the Parser of NDNTLV does not verify whether a certain component's length field matches the actual component length, which has a resultant buffer overflow and out-of-bounds memory accesses.
Frequently asked questions
- What is CVE-2018-6953?
- In CCN-lite 2, the Parser of NDNTLV does not verify whether a certain component's length field matches the actual component length, which has a resultant buffer overflow and out-of-bounds memory accesses.
- How severe is CVE-2018-6953?
- CVE-2018-6953 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-6953 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-6953?
- CVE-2018-6953 affects Ccn-lite. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-6953?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-6953 published?
- CVE-2018-6953 was published on 2018-02-13 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:ccn-lite:ccn-lite:2.0.0:*:*:*:*:*:*:*
More vulnerabilities in Ccn-lite
- CVE-2018-12889 — Critical (CVSS 9.8): An issue was discovered in CCN-lite 2.0.1. There is a heap-based buffer overflow in mkAddToRelayCacheRequest and in…
- CVE-2018-7039 — Critical (CVSS 9.8): CCN-lite 2.0.0 Beta allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified…
- CVE-2018-6948 — Critical (CVSS 9.8): In CCN-lite 2, the function ccnl_prefix_to_str_detailed can cause a buffer overflow, when writing a prefix to the…
- CVE-2017-12472 — Critical (CVSS 9.8): ccnl-ext-mgmt.c in CCN-lite before 2.00 allows context-dependent attackers to have unspecified impact by leveraging…
- CVE-2017-12471 — Critical (CVSS 9.8): The cnb_parse_lev function in CCN-lite before 2.00 allows context-dependent attackers to have unspecified impact by…
- CVE-2017-12470 — Critical (CVSS 9.8): Integer overflow in the ndn_parse_sequence function in CCN-lite before 2.00 allows context-dependent attackers to have…
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- CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
- CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
- CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.