CVE-2018-6832 Memory corruption in n/a

What is CVE-2018-6832?

CVE-2018-6832 is a high-severity memory corruption vulnerability in n/a, published on 9 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Stack-based buffer overflow in the getSWFlag function in Foscam Cameras C1 Lite V3, and C1 V3 with firmware 2.82.2.33 and earlier, FI9800P V3, FI9803P V4, FI9851P V3, and FI9853EP V2 2.84.2.33 and earlier, FI9816P V3, FI9821EP V2, FI9821P V3, FI9826P V3, and FI9831P V3 2.81.2.33 and earlier, C1, C1 V2, C1 Lite, and C1 Lite V2 2.52.2.47 and earlier, FI9800P, FI9800P V2, FI9803P V2, FI9803P V3, and FI9851P V2 2.54.2.47 and earlier, FI9815P, FI9815P V2, FI9816P, and FI9816P V2, 2.51.2.47 and earlier, R2 and R4 2.71.1.59 and earlier, C2 and FI9961EP 2.72.1.59 and earlier, FI9900EP, FI9900P, and FI9901EP 2.74.1.59 and earlier, FI9928P 2.74.1.58 and earlier, FI9803EP and FI9853EP 2.22.2.31 and earlier, FI9803P and FI9851P 2.24.2.31 and earlier, FI9821P V2, FI9826P V2, FI9831P V2, and FI9821EP 2.21.2.31 and earlier, FI9821W V2, FI9831W, FI9826W, FI9821P, FI9831P, and FI9826P 2.11.1.120 and earlier, FI9818W V2 2.13.2.120 and earlier, FI9805W, FI9804W, FI9804P, FI9805E, and FI9805P 2.14.1.120 and earlier, FI9828P, and FI9828W 2.13.1.120 and earlier, and FI9828P V2 2.11.1.133 and earlier allows remote attackers to cause a denial of service (crash and reboot), via the callbackJson parameter.

Weakness: CWE-787

Which versions are affected by CVE-2018-6832?

It affects 32 products.

Products include Foscam C1 Firmware, Foscam C1 Lite Firmware, Foscam C2 Firmware, Foscam Fi9800p Firmware, Foscam Fi9803ep Firmware, Foscam Fi9803p Firmware and 26 more.

How do I fix CVE-2018-6832?

No fix has been published for CVE-2018-6832 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-6832 being exploited?

There is no known exploitation of CVE-2018-6832 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2017-2872 Auth bypass in Foscam Indoor IP Camera C1 Series Critical 9.9
• CVE-2017-2877 Missing authorization in Foscam C1 Indoor HD Camera Critical 9.8
• CVE-2017-2871 Auth bypass in Foscam Critical 9.6
• CVE-2017-2873 Command injection in Foscam C1 Indoor HD Camera High 8.8
• CVE-2017-2875 Memory corruption in Foscam C1 Indoor HD Camera High 8.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-9fg8-x4r7-qgg4.