SB2017102419 - Buffer over-read in curl (Alpine package)
Published: October 24, 2017
Security Bulletin ID
SB2017102419
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer over-read (CVE-ID: CVE-2017-1000257)
CWE-ID: CWE-126 - Buffer over-read
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to obtain potentially sensitive information or cause DoS condition on the target system.
The weakness exists due to buffer overread in the IMAP handle. A remote attacker can return a specially crafted IMAP FETCH response, obtain potentially sensitive information from memory on the target system or cause the target application using libcurl to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=cbf50badfab16636b8752fadd5fa558b9fca6999
- https://git.alpinelinux.org/aports/commit/?id=ce9547d7658833fa03e38422973b5dc864564890
- https://git.alpinelinux.org/aports/commit/?id=32fded0210af14baa402d6ba73f8dcce05594a9e
- https://git.alpinelinux.org/aports/commit/?id=19db43b33cef01ef48f97b2f0a7692c1998f2910
- https://git.alpinelinux.org/aports/commit/?id=fa79414275b8e476541b4431ae166a02512b2420