CVE Vulnerability

CVE-2021-36978

QPDF 9.x through 9.1.1 and 10.x through 10.0.4 has a heap-based buffer overflow in Pl_ASCII85Decoder::write (called from Pl_AES_PDF::flush and Pl_AES_PDF::finish) when a certain downstream write fails.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28262 Patch Third Party Advisory
https://github.com/qpdf/qpdf/commit/dc92574c10f3e2516ec6445b88c5d584f40df4e5 Patch Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qpdf/OSV-2020-2245.yaml Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:qpdf_project:qpdf:*:*:*:*:*:*:*:*
cpe:2.3:a:qpdf_project:qpdf:*:*:*:*:*:*:*:*
Information

Published : 2021-07-20 07:15

Updated : 2021-07-29 05:50

NVD link : CVE-2021-36978

Mitre link : CVE-2021-36978

Products Affected
No products.
CWE
CWE-787