SB2020100616 - Fedora 33 update for python-msldap

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Main Vulnerability Database SB2020100616

SB2020100616 - Fedora 33 update for python-msldap

Published: October 6, 2020 Updated: April 25, 2025

Security Bulletin ID SB2020100616
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Heap-based buffer over-read (CVE-ID: CVE-2018-7728)

CWE-ID: CWE-126 - Buffer over-read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness in the MD5Update() function is due to heap-based buffer over-read. A local attacker can submit a specially crafted file, trigger memory corruption and cause the service to crash.

2) Heap-based buffer overflow (CVE-ID: CVE-2018-7729)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the PostScript_MetaHandler::ParsePSFile() function due to heap-based buffer overflow. A local attacker can send a specially crafted file, trigger memory corruption and cause the service to crash.

3) Heap-based buffer over-read (CVE-ID: CVE-2018-7730)

CWE-ID: CWE-126 - Buffer over-read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness in the PSD_MetaHandler::CacheFileData() function is due to heap-based buffer over-read. A local attacker can submit a specially crafted .xls file, trigger memory corruption and cause the service to crash.

4) NULL pointer dereference (CVE-ID: CVE-2018-7731)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the WEBP::VP8XChunk::VP8XChunk() function due to NULL pointer dereference. A local attacker can submit a specially crafted file, trigger memory corruption and cause the service to crash.

Remediation

Install update from vendor's website.

References