Vulnerabilities > CVE-2016-2385 - Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple products

047910
CVSS 9.8 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
low complexity
debian
kamailio
CWE-119
critical
nessus
exploit available
NVD
Published: 2016-04-11
Updated: 2018-10-09

Summary

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.

Vulnerable Configurations

Part Description Count
OS
Debian
1
Application
Kamailio
66

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Buffer Overflow via Environment Variables
    This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
  • Overflow Buffers
    Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
  • Client-side Injection-induced Buffer Overflow
    This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service.
  • Filter Failure through Buffer Overflow
    In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).
  • MIME Conversion
    An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.

Exploit-Db

descriptionKamailio 4.3.4 - Heap-Based Buffer Overflow. CVE-2016-2385. Dos exploit for linux platform
fileexploits/linux/dos/39638.txt
idEDB-ID:39638
last seen2016-03-30
modified2016-03-30
platformlinux
port
published2016-03-30
reporterStelios Tsampas
sourcehttps://www.exploit-db.com/download/39638/
titleKamailio 4.3.4 - Heap-Based Buffer Overflow
typedos

Nessus

  • NASL familyDebian Local Security Checks
    NASL idDEBIAN_DSA-3535.NASL
    descriptionStelios Tsampas discovered a buffer overflow in the Kamailio SIP proxy which might result in the execution of arbitrary code.
    last seen2020-06-01
    modified2020-06-02
    plugin id90278
    published2016-04-01
    reporterThis script is Copyright (C) 2016-2018 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/90278
    titleDebian DSA-3535-1 : kamailio - security update
  • NASL familyFreeBSD Local Security Checks
    NASL idFREEBSD_PKG_C428DE09ED6911E592CE002590263BF5.NASL
    descriptionStelios Tsampas reports : A (remotely exploitable) heap overflow vulnerability was found in Kamailio v4.3.4.
    last seen2020-06-01
    modified2020-06-02
    plugin id90051
    published2016-03-21
    reporterThis script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/90051
    titleFreeBSD : kamailio -- SEAS Module Heap overflow (c428de09-ed69-11e5-92ce-002590263bf5)

References