CVE-2017-9502

N/A
Published: June 14, 2017 at 01:00 PM UTC
Updated: June 17, 2026 at 01:28 AM UTC
1 product affected across 1 vendorCurl

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Severity
N/A
Exploit prediction
EPSS 3%

Description

In curl before 7.54.1 on Windows and DOS, libcurl's default protocol function, which is the logic that allows an application to set which protocol libcurl should attempt to use when given a URL without a scheme part, had a flaw that could lead to it overwriting a heap based memory buffer with seven bytes. If the default protocol is specified to be FILE or a file: URL lacks two slashes, the given "URL" starts with a drive letter, and libcurl is built for Windows or DOS, then libcurl would copy the path 7 bytes off, so that the end of the given path would write beyond the malloc buffer (7 bytes being the length in bytes of the ascii string "file://").

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 7.54.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

x_refsource_CONFIRMMailing ListThird Party Advisory
http://openwall.com/lists/oss-security/2017/06/14/1
VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/99120
x_refsource_CONFIRMVendor Advisory
https://curl.haxx.se/docs/adv_20170614.html

CVSS

Confidentiality
NONE
Integrity
NONE
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119

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