CVE-2016-4490: Integer Overflow
First published: Fri Feb 24 2017(Updated: )
Integer overflow in cp-demangle.c in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, related to inconsistent use of the long and int types for lengths.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU libiberty | ||
| debian/binutils | 2.35.2-2 2.40-2 2.43.1-5 | |
| debian/ht | 2.1.0+repack1-5 | |
| debian/libiberty | 20210106-1 20230104-1 20240117-1 20241020-1 |
Remedy
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=fa3fcee7b8c73070306ec358e730d1dfcac246bf
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Reference Links
- http://www.openwall.com/lists/oss-security/2016/05/05/5
- http://www.securityfocus.com/bid/90019
- https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70498
- https://launchpad.net/bugs/cve/CVE-2016-4490
- https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=235767
- https://security-tracker.debian.org/tracker/CVE-2016-4490
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4490
- https://nvd.nist.gov/vuln/detail/CVE-2016-4490
- https://ubuntu.com/security/CVE-2016-4490
Frequently Asked Questions
What is CVE-2016-4490?
CVE-2016-4490 is a vulnerability in libiberty that allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary.
Which software is affected by CVE-2016-4490?
CVE-2016-4490 affects the following software: binutils (versions up to but not including 2.28), gdb (versions up to but not including 7.7.1-0ubuntu5~14.04.3 and 7.11.1-0ubuntu1~16.5), libiberty (versions up to but not including 20131116-1ubuntu0.2 and 20160215-1ubuntu0.2), and valgrind (versions up to but not including 1:3.10.1-1ubuntu3~14.5, 1:3.11.0-1ubuntu4.2, and 1:3.12.0~).
How can I exploit CVE-2016-4490?
To exploit CVE-2016-4490, an attacker would need to send a specially crafted binary to the target system.
How severe is CVE-2016-4490?
CVE-2016-4490 is a denial of service vulnerability, which could potentially lead to a crash or segmentation fault on the affected system.
How can I fix CVE-2016-4490?
To fix CVE-2016-4490, update the affected software to a version that includes the necessary patches and security fixes.
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