SB2020100616 - Fedora 33 update for python-msldap
Published: October 6, 2020 Updated: April 25, 2025
Security Bulletin ID
SB2020100616
Severity
Low
Patch available
YES
Number of vulnerabilities
4
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Heap-based buffer over-read (CVE-ID: CVE-2018-7728)
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)
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)
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)
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.