CVE-2016-2385 - Vulnerability Details - OpenCVE

Heap-based buffer overflow in the encode_msg function in encode_msg.c in the SEAS module in Kamailio (formerly OpenSER and SER) before 4.3.5 allows remote attackers to cause a denial of service (memory corruption and process crash) or possibly execute arbitrary code via a large SIP packet.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.25299.

Key SSVC decision points have not yet been added.

Vendors	Products
Debian Subscribe	Debian Linux Subscribe
Kamailio Subscribe	Kamailio Subscribe

Configuration 1 [-]

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Configuration 2 [-]

cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
Debian DSA	DSA-3535-1	kamailio security update
Ubuntu USN	USN-7416-1	Kamailio vulnerabilities

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://packetstormsecurity.com/files/136477/Kamailio-4.3.4-Heap-Overflow.html
http://www.debian.org/security/2016/dsa-3535
http://www.debian.org/security/2016/dsa-3537
http://www.kamailio.org/pub/kamailio/4.3.5/ChangeLog
http://www.securityfocus.com/archive/1/537926/100/0/threaded
https://census-labs.com/news/2016/03/30/kamailio-seas-heap-overflow/
https://github.com/kamailio/kamailio/commit/f50c9c853e7809810099c970780c30b0765b0643
https://www.exploit-db.com/exploits/39638/

History

Mon, 14 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.26748}`	epss `{'score': 0.23954}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2016-04-11T15:00:00

Updated: 2024-08-05T23:24:49.298Z

Reserved: 2016-02-15T00:00:00

Link: CVE-2016-2385

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2016-04-11T15:59:05.500

Modified: 2025-04-12T10:46:40.837

Link: CVE-2016-2385

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-119

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-03-30T00:00:00", "descriptions": [{"lang": "en", "value": "Heap-based buffer overflow in the encode_msg function in encode_msg.c in the SEAS module in Kamailio (formerly OpenSER and SER) before 4.3.5 allows remote attackers to cause a denial of service (memory corruption and process crash) or possibly execute arbitrary code via a large SIP packet."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-09T18:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/136477/Kamailio-4.3.4-Heap-Overflow.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/kamailio/kamailio/commit/f50c9c853e7809810099c970780c30b0765b0643"}, {"tags": ["x_refsource_MISC"], "url": "https://census-labs.com/news/2016/03/30/kamailio-seas-heap-overflow/"}, {"name": "DSA-3535", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2016/dsa-3535"}, {"name": "39638", "tags": ["exploit", "x_refsource_EXPLOIT-DB"], "url": "https://www.exploit-db.com/exploits/39638/"}, {"name": "DSA-3537", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2016/dsa-3537"}, {"name": "20160330 CVE-2016-2385 Kamailio SEAS module heap buffer overflow", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/537926/100/0/threaded"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.kamailio.org/pub/kamailio/4.3.5/ChangeLog"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-2385", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Heap-based buffer overflow in the encode_msg function in encode_msg.c in the SEAS module in Kamailio (formerly OpenSER and SER) before 4.3.5 allows remote attackers to cause a denial of service (memory corruption and process crash) or possibly execute arbitrary code via a large SIP packet."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://packetstormsecurity.com/files/136477/Kamailio-4.3.4-Heap-Overflow.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/136477/Kamailio-4.3.4-Heap-Overflow.html"}, {"name": "https://github.com/kamailio/kamailio/commit/f50c9c853e7809810099c970780c30b0765b0643", "refsource": "CONFIRM", "url": "https://github.com/kamailio/kamailio/commit/f50c9c853e7809810099c970780c30b0765b0643"}, {"name": "https://census-labs.com/news/2016/03/30/kamailio-seas-heap-overflow/", "refsource": "MISC", "url": "https://census-labs.com/news/2016/03/30/kamailio-seas-heap-overflow/"}, {"name": "DSA-3535", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2016/dsa-3535"}, {"name": "39638", "refsource": "EXPLOIT-DB", "url": "https://www.exploit-db.com/exploits/39638/"}, {"name": "DSA-3537", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2016/dsa-3537"}, {"name": "20160330 CVE-2016-2385 Kamailio SEAS module heap buffer overflow", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/537926/100/0/threaded"}, {"name": "http://www.kamailio.org/pub/kamailio/4.3.5/ChangeLog", "refsource": "CONFIRM", "url": "http://www.kamailio.org/pub/kamailio/4.3.5/ChangeLog"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T23:24:49.298Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/136477/Kamailio-4.3.4-Heap-Overflow.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/kamailio/kamailio/commit/f50c9c853e7809810099c970780c30b0765b0643"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://census-labs.com/news/2016/03/30/kamailio-seas-heap-overflow/"}, {"name": "DSA-3535", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2016/dsa-3535"}, {"name": "39638", "tags": ["exploit", "x_refsource_EXPLOIT-DB", "x_transferred"], "url": "https://www.exploit-db.com/exploits/39638/"}, {"name": "DSA-3537", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2016/dsa-3537"}, {"name": "20160330 CVE-2016-2385 Kamailio SEAS module heap buffer overflow", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/537926/100/0/threaded"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.kamailio.org/pub/kamailio/4.3.5/ChangeLog"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-2385", "datePublished": "2016-04-11T15:00:00", "dateReserved": "2016-02-15T00:00:00", "dateUpdated": "2024-08-05T23:24:49.298Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*", "matchCriteriaId": "86A25A1F-1FC7-42BE-B5C6-B0D18EDA5FB6", "versionEndIncluding": "4.3.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Heap-based buffer overflow in the encode_msg function in encode_msg.c in the SEAS module in Kamailio (formerly OpenSER and SER) before 4.3.5 allows remote attackers to cause a denial of service (memory corruption and process crash) or possibly execute arbitrary code via a large SIP packet."}, {"lang": "es", "value": "Desbordamiento de buffer basado en memoria din\u00e1mica en la funci\u00f3n encode_msg en encode_msg.c en el m\u00f3dulo SEAS en Kamailio (anterioremente OpenSER y SER) en versiones anteriores a 4.3.5 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria y ca\u00edda de proceso) o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de un paquete SIP grande."}], "id": "CVE-2016-2385", "lastModified": "2025-04-12T10:46:40.837", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-04-11T15:59:05.500", "references": [{"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://packetstormsecurity.com/files/136477/Kamailio-4.3.4-Heap-Overflow.html"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2016/dsa-3535"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2016/dsa-3537"}, {"source": "cve@mitre.org", "url": "http://www.kamailio.org/pub/kamailio/4.3.5/ChangeLog"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/537926/100/0/threaded"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "https://census-labs.com/news/2016/03/30/kamailio-seas-heap-overflow/"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "https://github.com/kamailio/kamailio/commit/f50c9c853e7809810099c970780c30b0765b0643"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "https://www.exploit-db.com/exploits/39638/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://packetstormsecurity.com/files/136477/Kamailio-4.3.4-Heap-Overflow.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2016/dsa-3535"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2016/dsa-3537"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.kamailio.org/pub/kamailio/4.3.5/ChangeLog"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/537926/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "https://census-labs.com/news/2016/03/30/kamailio-seas-heap-overflow/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "https://github.com/kamailio/kamailio/commit/f50c9c853e7809810099c970780c30b0765b0643"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "https://www.exploit-db.com/exploits/39638/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}