CVE-2013-3843
CVE-2013-3843 is a medium-severity vulnerability in Monkey-project Monkey with a CVSS 2.0 base score of 6.8. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Medium (CVSS 2.0 base score 6.8)
- EPSS exploit prediction: 20% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Monkey-project Monkey
- Published:
- Last modified:
Description
Stack-based buffer overflow in the mk_request_header_process function in mk_request.c in Monkey HTTP Daemon (monkeyd) before 1.2.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTTP header.
Frequently asked questions
- What is CVE-2013-3843?
- Stack-based buffer overflow in the mk_request_header_process function in mk_request.c in Monkey HTTP Daemon (monkeyd) before 1.2.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTTP header.
- How severe is CVE-2013-3843?
- CVE-2013-3843 has a CVSS 2.0 base score of 6.8, rated medium severity.
- Is CVE-2013-3843 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2013-3843?
- CVE-2013-3843 affects Monkey-project Monkey. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2013-3843?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2013-3843 published?
- CVE-2013-3843 was published on 2014-06-13 and last updated on 2026-06-16.
References
- http://archives.neohapsis.com/archives/bugtraq/2013-06/0015.html
- http://bugs.monkey-project.com/ticket/182
- http://monkey-project.com/Announcements/v1.2.1
- http://secunia.com/advisories/53697
- https://exchange.xforce.ibmcloud.com/vulnerabilities/84755
- https://github.com/monkey/monkey/issues/88
Affected products (1)
- cpe:2.3:a:monkey-project:monkey:*:*:*:*:*:*:*:*
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- CVE-2025-63656 — High (CVSS 7.5): An out-of-bounds read in the header_cmp function (mk_server/mk_http_parser.c) of monkey commit f37e984 allows attackers…
- CVE-2025-63655 — High (CVSS 7.5): A NULL pointer dereference in the mk_http_range_parse function (mk_server/mk_http.c) of monkey commit f37e984 allows…
- CVE-2025-63653 — High (CVSS 7.5): An out-of-bounds read in the mk_vhost_fdt_close function (mk_server/mk_vhost.c) of monkey commit f37e984 allows…
All CVEs affecting Monkey-project Monkey →
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