Erlang-OTP 18.x Regular Expression memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Erlang-OTP 18.x and classified as critical. The affected element is an unknown function of the component Regular Expression. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2016-10253. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Erlang-OTP 18.x. It has been declared as critical. Affected by this vulnerability is an unknown part of the component Regular Expression. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Erlang/OTP 18.x. Erlang's generation of compiled regular expressions is vulnerable to a heap overflow. Regular expressions using a malformed extpattern can indirectly specify an offset that is used as an array index. This ordinal permits arbitrary regions within the erts_alloc arena to be both read and written to.

The bug was discovered 06/19/2016. The weakness was shared 03/18/2017 (GitHub Repository). The advisory is shared at github.com. This vulnerability is known as CVE-2016-10253 since 03/18/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 272 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 99143 (Fedora 25 : erlang (2017-42ebcac2b5)), 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 197057 (Ubuntu Security Notification for Erlang Vulnerabilities (USN-3571-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (99143). The entries VDB-73135 and VDB-81686 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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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: 99143
Nessus Name: Fedora 25 : erlang (2017-42ebcac2b5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for erlang FEDORA-2017-e2480c7f50
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

06/19/2016 🔍
03/18/2017 +272 days 🔍
03/18/2017 +0 days 🔍
03/18/2017 +0 days 🔍
03/19/2017 +1 days 🔍
03/30/2017 +11 days 🔍
04/03/2017 +4 days 🔍
09/10/2020 +1256 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2016-10253 (🔍)
GCVE (CVE): GCVE-0-2016-10253
GCVE (VulDB): GCVE-100-98269
OSVDB: - CVE-2016-10253 - Erlang.OTP - Heap Overflow Issue

See also: 🔍

Entryinfo

Created: 03/19/2017 07:27
Updated: 09/10/2020 09:18
Changes: 03/19/2017 07:27 (70), 09/10/2020 09:18 (5)
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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