PoDoFo 0.9.7 PdfEncrypt.cpp ComputeOwnerKey keyLength stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in PoDoFo 0.9.7. It has been classified as critical. This impacts the function PdfEncryptMD5Base::ComputeOwnerKey of the file PdfEncrypt.cpp. The manipulation of the argument keyLength leads to stack-based overflow.
This vulnerability is listed as CVE-2021-30472. The attack may be initiated remotely. There is no available exploit.
Details
A vulnerability, which was classified as critical, has been found in PoDoFo 0.9.7 (Document Reader Software). This issue affects the function PdfEncryptMD5Base::ComputeOwnerKey of the file PdfEncrypt.cpp. The manipulation of the argument keyLength with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.
The weakness was presented 05/27/2021. It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2021-30472. 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.
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
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.3
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
04/08/2021 🔍05/27/2021 🔍
05/27/2021 🔍
05/30/2021 🔍
Sources
Advisory: bugzilla.redhat.comStatus: Not defined
CVE: CVE-2021-30472 (🔍)
GCVE (CVE): GCVE-0-2021-30472
GCVE (VulDB): GCVE-100-175943
Entry
Created: 05/27/2021 11:22Updated: 05/30/2021 09:27
Changes: 05/27/2021 11:22 (38), 05/30/2021 09:27 (2)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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