tcpdump up to 4.9.1 PIMv2 Parser print-pim.c pimv2_print memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.9 | $0-$5k | 0.00 |
A vulnerability was found in tcpdump up to 4.9.1 (Packet Analyzer Software). It has been classified as critical. This affects the function pimv2_print
of the file print-pim.c of the component PIMv2 Parser. 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:
The PIMv2 parser in tcpdump before 4.9.2 has a buffer over-read in print-pim.c:pimv2_print().
The bug was discovered 09/11/2017. The weakness was released 09/14/2017 (Website). It is possible to read the advisory at securitytracker.com. This vulnerability is uniquely identified as CVE-2017-12996 since 08/21/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. 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 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 103257 (Debian DLA-1097-1 : tcpdump 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 330033 (IBM AIX tcpdump Multiple Vulnerabilities (tcpdump_advisory3)).
Upgrading to version 4.9.2 eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (103257). Entries connected to this vulnerability are available at 21822, 21823, 106590 and 106591.
Product
Type
Name
Version
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: 8.0VulDB Meta Temp Score: 7.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
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 |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 103257
Nessus Name: Debian DLA-1097-1 : tcpdump security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 53377
OpenVAS Name: Debian Security Advisory DSA 3971-1 (tcpdump - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: tcpdump 4.9.2
Patch: github.com
Timeline
08/21/2017 🔍09/11/2017 🔍
09/14/2017 🔍
09/14/2017 🔍
09/14/2017 🔍
09/15/2017 🔍
09/18/2017 🔍
12/28/2022 🔍
Sources
Product: tcpdump.orgAdvisory: 6fca58f5f9c96749a575f52e20598ad43f5bdf30⛔
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-12996 (🔍)
OVAL: 🔍
SecurityTracker: 1039307
See also: 🔍
Entry
Created: 09/14/2017 17:20Updated: 12/28/2022 16:26
Changes: 09/14/2017 17:20 (78), 11/16/2019 08:42 (2), 01/12/2021 16:30 (2), 12/28/2022 16:26 (4)
Complete: 🔍
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