CVE-2017-1000257

Impact:
Moderate
Public Date:
2017-10-23
CWE:
CWE-125
Bugzilla:
1503705: CVE-2017-1000257 curl: IMAP FETCH response out of bounds read
A buffer overrun flaw was found in the IMAP handler of libcurl. By tricking an unsuspecting user into connecting to a malicious IMAP server, an attacker could exploit this flaw to potentially cause information disclosure or crash the application.

Find out more about CVE-2017-1000257 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 4.8
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Impact None
Availability Impact Low

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (curl) RHSA-2017:3263 2017-11-27
Red Hat Software Collections for Red Hat Enterprise Linux 6 (httpd24-curl) RHSA-2018:3558 2018-11-13
Red Hat Software Collections for Red Hat Enterprise Linux 7 (httpd24-curl) RHSA-2018:3558 2018-11-13
Red Hat JBoss Core Services 1 RHSA-2018:2486 2018-08-16

Affected Packages State

Platform Package State
Red Hat JBoss Web Server 3 curl Not affected
Red Hat Enterprise Linux 6 curl Not affected
Red Hat Enterprise Linux 5 curl Not affected
RHEV Manager 3 mingw-virt-viewer Not affected
.NET Core 2.0 on Red Hat Enterprise Linux rh-dotnet20-curl Will not fix
.NET Core 2.0 on Red Hat Enterprise Linux rh-dotnet21-curl Will not fix
.NET Core 1.0 on Red Hat Enterprise Linux rh-dotnetcore10-curl Will not fix
.NET Core 1.0 on Red Hat Enterprise Linux rh-dotnetcore11-curl Will not fix

Acknowledgements

Red Hat would like to thank the Curl project for reporting this issue. Upstream acknowledges Brian Carpenter and the OSS-Fuzz project as the original reporters.

Mitigation

Switch off IMAP in `CURLOPT_PROTOCOLS`

External References

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