libproxy up to 0.4.15 url.cpp Content-length memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in libproxy up to 0.4.15. The affected element is an unknown function of the file url.cpp. Performing a manipulation of the argument Content-length as part of PAC File results in memory corruption. This vulnerability is known as CVE-2020-26154. No exploit is available.
Details
A vulnerability classified as critical has been found in libproxy up to 0.4.15 (Firewall Software). This affects an unknown functionality of the file url.cpp. The manipulation of the argument Content-length as part of a PAC File 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:
url.cpp in libproxy through 0.4.15 is prone to a buffer overflow when PAC is enabled, as demonstrated by a large PAC file that is delivered without a Content-length header.
The weakness was published 09/30/2020. This vulnerability is uniquely identified as CVE-2020-26154 since 09/29/2020. Technical details of the vulnerability are known, but there is no available exploit.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.6
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
09/29/2020 🔍09/30/2020 🔍
10/01/2020 🔍
11/15/2020 🔍
Sources
Status: Not definedCVE: CVE-2020-26154 (🔍)
GCVE (CVE): GCVE-0-2020-26154
GCVE (VulDB): GCVE-100-162135
Entry
Created: 10/01/2020 09:55Updated: 11/15/2020 10:25
Changes: 10/01/2020 09:55 (35), 10/01/2020 10:00 (4), 11/14/2020 09:33 (5), 11/15/2020 10:25 (14)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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