SB2021020413 - Denial of service in glibc
Published: February 4, 2021
Security Bulletin ID
SB2021020413
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2019-25013)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in GNU C Library within the iconv feature when processing multi-byte input sequences in the EUC-KR encoding. A remote attacker can pass specially crafted input to the application, trigger out-of-bounds read error and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4Y6TX47P47KABSFOL26FLDNVCWXDKDEZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TVCUNLQ3HXGS4VPUQKWTJGRAW2KTFGXS/
- https://sourceware.org/bugzilla/show_bug.cgi?id=24973
- https://sourceware.org/git/?p=glibc.git;a=commit;h=ee7a3144c9922808181009b7b3e50e852fb4999b