atheme up to 7.2.6 xmlrpclib.c xmlrpc_char_encode memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in atheme up to 7.2.6. It has been declared as critical. Affected by this vulnerability is the function xmlrpc_char_encode in the library modules/transport/xmlrpc/xmlrpclib.c. The manipulation results in memory corruption. This vulnerability is reported as CVE-2016-4478. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in atheme up to 7.2.6. Affected is the function xmlrpc_char_encode in the library modules/transport/xmlrpc/xmlrpclib.c. 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. CVE summarizes:

Buffer overflow in the xmlrpc_char_encode function in modules/transport/xmlrpc/xmlrpclib.c in Atheme before 7.2.7 allows remote attackers to cause a denial of service via vectors related to XMLRPC response encoding.

The weakness was disclosed 06/13/2016 (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2016-4478 since 05/03/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 91300 (Debian DSA-3586-1 : atheme-services - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168851 (OpenSuSE Security Update for atheme (openSUSE-SU-2016:1312-1)).

Upgrading to version 7.2.7 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 vulnerability database at Tenable (91300). The entry VDB-87884 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: 91300
Nessus Name: Debian DSA-3586-1 : atheme-services - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703586
OpenVAS Name: Debian Security Advisory DSA 3586-1 (atheme-services - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: atheme 7.2.7
Patch: github.com

Timelineinfo

05/03/2016 🔍
05/23/2016 +20 days 🔍
05/24/2016 +1 days 🔍
06/13/2016 +20 days 🔍
06/13/2016 +0 days 🔍
06/14/2016 +1 days 🔍
08/23/2022 +2261 days 🔍

Sourcesinfo

Product: github.com

Advisory: 87580d767868360d2fed503980129504da84b63e
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-4478 (🔍)
GCVE (CVE): GCVE-0-2016-4478
GCVE (VulDB): GCVE-100-87912

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 06/14/2016 09:12
Updated: 08/23/2022 15:11
Changes: 06/14/2016 09:12 (63), 01/20/2019 13:22 (11), 08/23/2022 15:11 (4)
Complete: 🔍
Cache ID: 216:740:103

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