Out-of-bounds Write Affecting glibc-langpack-oc package, versions <0:2.26-28.amzn2.0.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published27 Sept 2021
- disclosed18 May 2018
Introduced: 18 May 2018
CVE-2018-11236 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2 glibc-langpack-oc to version 0:2.26-28.amzn2.0.1 or higher.
This issue was patched in ALAS2-2018-1048.
NVD Description
Note: Versions mentioned in the description apply only to the upstream glibc-langpack-oc package and not the glibc-langpack-oc package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
stdlib/canonicalize.c in the GNU C Library (aka glibc or libc6) 2.27 and earlier, when processing very long pathname arguments to the realpath function, could encounter an integer overflow on 32-bit architectures, leading to a stack-based buffer overflow and, potentially, arbitrary code execution.
References
- http://www.securityfocus.com/bid/104255
- https://security.netapp.com/advisory/ntap-20190329-0001/
- https://security.netapp.com/advisory/ntap-20190401-0001/
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11236
- https://sourceware.org/bugzilla/show_bug.cgi?id=22786
- https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5460617d1567657621107d895ee2dd83bc1f88f2
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://access.redhat.com/errata/RHBA-2019:0327
- https://access.redhat.com/errata/RHSA-2018:3092
- https://usn.ubuntu.com/4416-1/
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=5460617d1567657621107d895ee2dd83bc1f88f2