SB2018102436 - Infinite loop in libxml2 (Alpine package)
Published: October 24, 2018
Security Bulletin ID
SB2018102436
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) Infinite loop (CVE-ID: CVE-2018-14567)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists in the liblzma error code of the GNOME libxml2 library due to an infinite loop condition in the Lempel–Ziv–Markov (LZMA) decompression feature during the processing of XML files. A remote attacker can trick the victim into opening an XML file that submits malicious input, trigger a LZMA_MEMLIMIT_ERROR condition and cause the service to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=1647bdc21ffc22aacee5ea142d372445d1fd5b03
- https://git.alpinelinux.org/aports/commit/?id=5e57be93778177ca048236091d2814a4ad205903
- https://git.alpinelinux.org/aports/commit/?id=0434d7dc126aeb836678e3b545a2fe8748a4b269
- https://git.alpinelinux.org/aports/commit/?id=1f4fa90580a1d7f0000a1bf14f337b446f28d317
- https://git.alpinelinux.org/aports/commit/?id=878af9b6555b9b812151e55fd3294c89cf0f53ba
- https://git.alpinelinux.org/aports/commit/?id=9ba0323ae03ecb1319c9174e281260c37544fa1d
- https://git.alpinelinux.org/aports/commit/?id=a6c278e2f3d21e7ffc9b25ad0cd3845c3caafcf9