SB2019100425 - Out-of-bounds read in tcpdump (Alpine package)
Published: October 4, 2019
Security Bulletin ID
SB2019100425
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2018-14881)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the print-bgp.c:bgp_capabilities_print() (BGP_CAPCODE_RESTART) within the BGP parser in tcpdump before 4.9.3. A remote attacker can generate specially crafted data, trigger out-of-bounds read error and perform denial of service attack.
Remediation
Install update from vendor's website.