OCamel up to 4.02 Sign Extension String.copy memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability was found in OCamel up to 4.02. It has been rated as critical. The affected element is the function String.copy of the component Sign Extension. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2015-8869. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in OCamel up to 4.02. This affects the function String.copy of the component Sign Extension. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

OCamel before 4.03.0 does not properly handle sign extensions, which allows remote attackers to conduct buffer overflow attacks or obtain sensitive information as demonstrated by a long string to the String.copy function.

The weakness was published 06/13/2016 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2015-8869 since 04/29/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 90950 (Fedora 24 : ocaml-4.02.3-3.fc24 (2016-1c4e616564)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236885 (Red Hat Update for ocaml (RHSA-2017:0565)).

Upgrading to version 4.03.0 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (90950) and SecurityFocus (BID 89318†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.1
VulDB Temp Score: 8.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 90950
Nessus Name: Fedora 24 : ocaml-4.02.3-3.fc24 (2016-1c4e616564)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867202
OpenVAS Name: Fedora Update for ocaml FEDORA-2016-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OCamel 4.03.0
Patch: github.com

Timelineinfo

04/29/2016 🔍
05/08/2016 +9 days 🔍
05/09/2016 +1 days 🔍
05/29/2016 +20 days 🔍
06/13/2016 +15 days 🔍
06/13/2016 +0 days 🔍
06/14/2016 +1 days 🔍
08/23/2022 +2261 days 🔍

Sourcesinfo

Advisory: FEDORA-2016-1c4e616564
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8869 (🔍)
GCVE (CVE): GCVE-0-2015-8869
GCVE (VulDB): GCVE-100-87885
SecurityFocus: 89318 - OCaml CVE-2015-8869 Multiple Security Vulnerabilities

Entryinfo

Created: 06/14/2016 09:10
Updated: 08/23/2022 12:48
Changes: 06/14/2016 09:10 (63), 01/19/2019 14:44 (13), 08/23/2022 12:41 (4), 08/23/2022 12:48 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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