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CVE
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CVE-2016-2851Date: (C)2016-04-28   (M)2023-12-22


Integer overflow in proto.c in libotr before 4.1.1 on 64-bit platforms allows remote attackers to cause a denial of service (memory corruption and application crash) or execute arbitrary code via a series of large OTR messages, which triggers a heap-based buffer overflow.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 9.8CVSS Score : 7.5
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
http://www.securityfocus.com/archive/1/537745/100/0/threaded
EXPLOIT-DB-39550
BID-84285
DSA-3512
GLSA-201701-10
USN-2926-1
https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002581.html
https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/
openSUSE-SU-2016:0708
openSUSE-SU-2016:0732

CPE    2
cpe:/o:debian:debian_linux:7.0
cpe:/o:debian:debian_linux:8.0
CWE    1
CWE-119
OVAL    5
oval:org.secpod.oval:def:89045312
oval:org.secpod.oval:def:602409
oval:org.secpod.oval:def:110311
oval:org.secpod.oval:def:110326
...

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