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[Bug 1037930] New: VUL-0: CVE-2017-8804: glibc, sunrpc: Memory leak after deserialization failure in xdr_bytes, xdr_string
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Sun, 07 May 2017 21:54:27 +0000
  • Message-id: <bug-1037930-21960@http.bugzilla.opensuse.org/>
http://bugzilla.opensuse.org/show_bug.cgi?id=1037930


Bug ID: 1037930
Summary: VUL-0: CVE-2017-8804: glibc, sunrpc: Memory leak after
deserialization failure in xdr_bytes, xdr_string
Classification: openSUSE
Product: openSUSE Distribution
Version: Leap 42.2
Hardware: Other
OS: Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Security
Assignee: security-team@xxxxxxx
Reporter: mikhail.kasimov@xxxxxxxxx
QA Contact: qa-bugs@xxxxxxx
Found By: ---
Blocker: ---

Ref: https://nvd.nist.gov/vuln/detail/CVE-2017-8804
====================================================
Description

The xdr_bytes and xdr_string functions in the GNU C Library (aka glibc or
libc6) 2.25 mishandle failures of buffer deserialization, which allows remote
attackers to cause a denial of service (virtual memory allocation, or memory
consumption if an overcommit setting is not used) via a crafted UDP packet to
port 111, a related issue to CVE-2017-8779.
====================================================

Hyperlink

[1] http://www.openwall.com/lists/oss-security/2017/05/05/2

[2] https://bugzilla.suse.com/show_bug.cgi?id=1037559#c7 (CVE-2017-8779)

[3] https://sourceware.org/bugzilla/show_bug.cgi?id=21461 (upstream report)

[4] https://sourceware.org/ml/libc-alpha/2017-05/msg00105.html (patch)

[5] https://security-tracker.debian.org/tracker/CVE-2017-8804

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