Integer Overflow or Wraparound Affecting glibc package, versions <0:2.17-260.0.9.el7
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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- published10 Apr 2022
- disclosed1 Feb 2018
Introduced: 1 Feb 2018
CVE-2018-6485 (opens in a new tab)How to fix?
Upgrade Oracle:7 glibc to version 0:2.17-260.0.9.el7 or higher.
This issue was patched in ELSA-2018-3092.
NVD Description
Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.
References
- https://linux.oracle.com/cve/CVE-2018-6485.html
- https://linux.oracle.com/errata/ELSA-2018-3092.html
- http://bugs.debian.org/878159
- http://www.securityfocus.com/bid/102912
- https://access.redhat.com/errata/RHBA-2019:0327
- https://access.redhat.com/errata/RHSA-2018:3092
- https://security.netapp.com/advisory/ntap-20190404-0003/
- https://sourceware.org/bugzilla/show_bug.cgi?id=22343
- https://usn.ubuntu.com/4218-1/
- https://usn.ubuntu.com/4416-1/
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html