GNU oSIP 4.1.0 libosip2 osip_message_to_str.c osip_message_to_str SIP Message memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in GNU oSIP 4.1.0. This issue affects the function osip_message_to_str of the file osipparser2/osip_message_to_str.c of the component libosip2. Performing a manipulation as part of SIP Message results in memory corruption. This vulnerability is reported as CVE-2016-10325. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in GNU oSIP 4.1.0. It has been classified as problematic. This affects the function osip_message_to_str of the file osipparser2/osip_message_to_str.c of the component libosip2. The manipulation as part of a SIP Message 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 availability. The summary by CVE is:

In libosip2 in GNU oSIP 4.1.0, a malformed SIP message can lead to a heap buffer overflow in the _osip_message_to_str() function defined in osipparser2/osip_message_to_str.c, resulting in a remote DoS.

The bug was discovered 09/02/2016. The weakness was disclosed 04/13/2017 (Website). It is possible to read the advisory at savannah.gnu.org. This vulnerability is uniquely identified as CVE-2016-10325 since 04/13/2017. 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 of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 223 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 99403 (Debian DLA-898-1 : libosip2 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 169969 (SUSE Enterprise Linux Security Update for libosip2 (SUSE-SU-2017:1188-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99403) and SecurityFocus (BID 92921†). The entries VDB-99806, VDB-99808 and VDB-99841 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: 99403
Nessus Name: Debian DLA-898-1 : libosip2 security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 850584
OpenVAS Name: SuSE Update for libosip2 openSUSE-SU-2017:1127-1 (libosip2)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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Timelineinfo

09/02/2016 🔍
09/13/2016 +11 days 🔍
04/13/2017 +212 days 🔍
04/13/2017 +0 days 🔍
04/13/2017 +0 days 🔍
04/14/2017 +1 days 🔍
04/16/2017 +2 days 🔍
04/17/2017 +1 days 🔍
08/30/2020 +1231 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: savannah.gnu.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-10325 (🔍)
GCVE (CVE): GCVE-0-2016-10325
GCVE (VulDB): GCVE-100-99807

OVAL: 🔍

SecurityFocus: 92921 - Libosip Multiple Denial of Service Vulnerabilities
OSVDB: - CVE-2016-10325 - GNU - oSIP - Buffer Overflow Issue

See also: 🔍

Entryinfo

Created: 04/14/2017 11:01
Updated: 08/30/2020 16:58
Changes: 04/14/2017 11:01 (73), 08/30/2020 16:58 (13)
Complete: 🔍
Cache ID: 216::103

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