CVE-2020-25725 Vulnerability Details

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CVE-2020-25725 Metadata Quick Info

CVE Published: 21/11/2020 | CVE Updated: 04/08/2024 | CVE Year: 2020
Source: redhat | Vendor: Glyph & Cog | Product: xpdf
Status : PUBLISHED

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CVE-2020-25725 Description

In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack->cache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn\'t correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.

Metrics

CVSS Version: 3.1 | Base Score: 5 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

l➤ Exploitability Metrics:
    Attack Vector (AV)* LOCAL
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* LOW
    User Interaction (UI)* REQUIRED
    Scope (S)* UNCHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* NONE
    Integrity Impact (I)* NONE
    Availability Impact (A)* HIGH

Weakness Enumeration (CWE)

CWE-ID: CWE-416
CWE Name: CWE-416
Source: Glyph & Cog

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).