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CVE-2017-18269

UNKNOWN
Published 2018-05-18T16:00:00
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No CVSS data available

Description

An SSE2-optimized memmove implementation for i386 in sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S in the GNU C Library (aka glibc or libc6) 2.21 through 2.27 does not correctly perform the overlapping memory check if the source memory range spans the middle of the address space, resulting in corrupt data being produced by the copy operation. This may disclose information to context-dependent attackers, or result in a denial of service, or, possibly, code execution.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-r6cp-c5hh-vmv8

Advisory Details

An SSE2-optimized memmove implementation for i386 in sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S in the GNU C Library (aka glibc or libc6) 2.21 through 2.27 does not correctly perform the overlapping memory check if the source memory range spans the middle of the address space, resulting in corrupt data being produced by the copy operation. This may disclose information to context-dependent attackers, or result in a denial of service, or, possibly, code execution.

CVSS Scoring

CVSS Score

9.0

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2017-18269
WEB https://github.com/fingolfin/memmove-bug
WEB https://security.netapp.com/advisory/ntap-20190329-0001
WEB https://security.netapp.com/advisory/ntap-20190401-0001
WEB https://sourceware.org/bugzilla/show_bug.cgi?id=22644
WEB https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cd66c0e584c6d692bc8347b5e72723d02b8a8ada
WEB https://usn.ubuntu.com/4416-1

Advisory provided by GitHub Security Advisory Database. Published: May 13, 2022, Modified: May 13, 2022

References

https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=cd66c0e584c6d692bc8347b5e72723d02b8a8ada
https://github.com/fingolfin/memmove-bug
https://sourceware.org/bugzilla/show_bug.cgi?id=22644
https://security.netapp.com/advisory/ntap-20190329-0001/
https://security.netapp.com/advisory/ntap-20190401-0001/
https://usn.ubuntu.com/4416-1/

HackerOne Reports

Container scanning and Dependency scanning report leaked to unauthorized users Medium
xanbanx
GitLab
Improper Access Control - Generic
View Report
Published: 2018-05-18T16:00:00
Last Modified: 2024-08-05T21:13:49.212Z
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