CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.5 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in Pidgin (Messaging Software) (the affected version unknown). Affected is an unknown part of the component MXIT Protocol Handler. The manipulation of the argument Content-Length
with the input value -1
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:
A buffer overflow vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent by the server could potentially result in an out-of-bounds write of one byte. A malicious server can send a negative content-length in response to a HTTP request triggering the vulnerability.
The bug was discovered 06/21/2016. The weakness was published 01/06/2017 by Yves Younan with Cisco Talos (Website). The advisory is available at debian.org. This vulnerability is traded as CVE-2016-2377 since 02/12/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.
The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 91922 (Debian DLA-542-1 : pidgin 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 370081 (Pidgin Multiple Security Vulnerabilities).
Upgrading 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 (91922). Similar entries are available at 91844, 91845, 91846 and 91847.
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.7VulDB Meta Temp Score: 7.5
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.1
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 91922
Nessus Name: Debian DLA-542-1 : pidgin security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 864034
OpenVAS Name: Ubuntu Update for pidgin USN-3031-1
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
02/12/2016 🔍06/21/2016 🔍
06/21/2016 🔍
07/04/2016 🔍
07/05/2016 🔍
01/06/2017 🔍
01/06/2017 🔍
01/07/2017 🔍
10/28/2022 🔍
Sources
Advisory: USN-3031-1Researcher: Yves Younan
Organization: Cisco Talos
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-2377 (🔍)
OVAL: 🔍
SecurityFocus: 91335 - Pidgin Multiple Security Vulnerabilities
OSVDB: - CVE-2016-2377 - Pidgin - MXIT Buffer Overflow Issue
See also: 🔍
Entry
Created: 01/07/2017 12:50Updated: 10/28/2022 07:11
Changes: 01/07/2017 12:50 (74), 07/15/2020 15:15 (10), 10/28/2022 07:11 (3)
Complete: 🔍
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