Seiko Epson PX-S860 HTTP Header Header Injection response splitting

Summaryinfo

A vulnerability has been found in Seiko Epson EP-979A3, EP-M570T, EW-M5071FT, EW-M660FT, EW-M770T, PF-71, PF-81, PX-048A, PX-049A, PX-437A, PX-M350F, PX-M650A, PX-M650F, PX-M680F, PX-M7050FX, PX-M7070FX, PX-M741F, PX-M781F, PX-M840FX, PX-M860F, PX-S05B-W, PX-S350, PX-S5040, PX-S7070X, PX-S740 and PX-S860 and classified as critical. Affected is an unknown function. The manipulation as part of HTTP Header leads to response splitting (Header Injection). This vulnerability is documented as CVE-2018-0689. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Seiko Epson EP-979A3, EP-M570T, EW-M5071FT, EW-M660FT, EW-M770T, PF-71, PF-81, PX-048A, PX-049A, PX-437A, PX-M350F, PX-M650A, PX-M650F, PX-M680F, PX-M7050FX, PX-M7070FX, PX-M741F, PX-M781F, PX-M840FX, PX-M860F, PX-S05B-W, PX-S350, PX-S5040, PX-S7070X, PX-S740 and PX-S860 and classified as critical. This issue affects an unknown part. The manipulation as part of a HTTP Header leads to a response splitting vulnerability (Header Injection). Using CWE to declare the problem leads to CWE-113. The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

HTTP header injection vulnerability in SEIKO EPSON printers and scanners (DS-570W firmware versions released prior to 2018 March 13, DS-780N firmware versions released prior to 2018 March 13, EP-10VA firmware versions released prior to 2017 September 4, EP-30VA firmware versions released prior to 2017 June 19, EP-707A firmware versions released prior to 2017 August 1, EP-708A firmware versions released prior to 2017 August 7, EP-709A firmware versions released prior to 2017 June 12, EP-777A firmware versions released prior to 2017 August 1, EP-807AB/AW/AR firmware versions released prior to 2017 August 1, EP-808AB/AW/AR firmware versions released prior to 2017 August 7, EP-879AB/AW/AR firmware versions released prior to 2017 June 12, EP-907F firmware versions released prior to 2017 August 1, EP-977A3 firmware versions released prior to 2017 August 1, EP-978A3 firmware versions released prior to 2017 August 7, EP-979A3 firmware versions released prior to 2017 June 12, EP-M570T firmware versions released prior to 2017 September 6, EW-M5071FT firmware versions released prior to 2017 November 2, EW-M660FT firmware versions released prior to 2018 April 19, EW-M770T firmware versions released prior to 2017 September 6, PF-70 firmware versions released prior to 2018 April 20, PF-71 firmware versions released prior to 2017 July 18, PF-81 firmware versions released prior to 2017 September 14, PX-048A firmware versions released prior to 2017 July 4, PX-049A firmware versions released prior to 2017 September 11, PX-437A firmware versions released prior to 2017 July 24, PX-M350F firmware versions released prior to 2018 February 23, PX-M5040F firmware versions released prior to 2017 November 20, PX-M5041F firmware versions released prior to 2017 November 20, PX-M650A firmware versions released prior to 2017 October 17, PX-M650F firmware versions released prior to 2017 October 17, PX-M680F firmware versions released prior to 2017 June 29, PX-M7050F firmware versions released prior to 2017 October 13, PX-M7050FP firmware versions released prior to 2017 October 13, PX-M7050FX firmware versions released prior to 2017 November 7, PX-M7070FX firmware versions released prior to 2017 April 27, PX-M740F firmware versions released prior to 2017 December 4, PX-M741F firmware versions released prior to 2017 December 4, PX-M780F firmware versions released prior to 2017 June 29, PX-M781F firmware versions released prior to 2017 June 27, PX-M840F firmware versions released prior to 2017 November 16, PX-M840FX firmware versions released prior to 2017 December 8, PX-M860F firmware versions released prior to 2017 October 25, PX-S05B/W firmware versions released prior to 2018 March 9, PX-S350 firmware versions released prior to 2018 February 23, PX-S5040 firmware versions released prior to 2017 November 20, PX-S7050 firmware versions released prior to 2018 February 21, PX-S7050PS firmware versions released prior to 2018 February 21, PX-S7050X firmware versions released prior to 2017 November 7, PX-S7070X firmware versions released prior to 2017 April 27, PX-S740 firmware versions released prior to 2017 December 3, PX-S840 firmware versions released prior to 2017 November 16, PX-S840X firmware versions released prior to 2017 December 8, PX-S860 firmware versions released prior to 2017 December 7) may allow a remote attackers to lead a user to a phishing site or execute an arbitrary script on the user's web browser.

The bug was discovered 12/06/2018. The weakness was released 01/09/2019 (Website). It is possible to read the advisory at jvn.jp. The identification of this vulnerability is CVE-2018-0689 since 11/27/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 34 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entry connected to this vulnerability is available at VDB-128830. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Seiko Epson

Name

• EP-979A3
• EP-M570T
• EW-M660FT
• EW-M770T
• EW-M5071FT
• PF-71
• PF-81
• PX-048A
• PX-049A
• PX-437A
• PX-M350F
• PX-M650A
• PX-M650F
• PX-M680F
• PX-M741F
• PX-M781F
• PX-M840FX
• PX-M860F
• PX-M7050FX
• PX-M7070FX
• PX-S05B-W
• PX-S350
• PX-S740
• PX-S860
• PX-S5040
• PX-S7070X

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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