CVE-2016-5177 - Use After Free

Severity

68%

Complexity

86%

Confidentiality

106%

Use-after-free vulnerability in V8 in Google Chrome before 53.0.2785.143 allows remote attackers to cause a denial of service (crash) or possibly have unspecified other impact via unknown vectors.

Use-after-free vulnerability in V8 in Google Chrome before 53.0.2785.143 allows remote attackers to cause a denial of service (crash) or possibly have unspecified other impact via unknown vectors.

CVSS 3.0 Base Score 8.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 6.8. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P).

Demo Examples

Use After Free

CWE-416

The following example demonstrates the weakness.


               
}
free(buf3R2);

Use After Free

CWE-416

The following code illustrates a use after free error:


               
}
free(ptr);
logError("operation aborted before commit", ptr);

When an error occurs, the pointer is immediately freed. However, this pointer is later incorrectly used in the logError function.

Overview

First reported 8 years ago

2017-05-23 04:29:00

Last updated 6 years ago

2018-10-30 16:27:00

Affected Software

openSUSE Leap 42.1

42.1

OpenSUSE 13.2

13.2

Debian Linux 8.0 (Jessie)

8.0

Red Hat Enterprise Linux Server Supplementary 6.0 (v. 6)

6.0

Red Hat Enterprise Linux Workstation Supplementary 6.0 (v. 6)

6.0

Fedora 24

24

Fedora 25

25

References

openSUSE-SU-2016:2429

Third Party Advisory

openSUSE-SU-2016:2432

Third Party Advisory

RHSA-2016:2007

Third Party Advisory

DSA-3683

Third Party Advisory

93238

Third Party Advisory

1036970

Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=1380631

Issue Tracking

https://chromereleases.googleblog.com/2016/09/stable-channel-update-for-desktop_29.html

Vendor Advisory

FEDORA-2016-d61c4f72da

Third Party Advisory

FEDORA-2016-a90040934d

Third Party Advisory

GLSA-201610-09

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