A vulnerability classified as problematic was found in GNOME evolution-data-server up to 3.35.90. This vulnerability affects the function imapx_free_capability/imapx_connect_to_server. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

In GNOME evolution-data-server before 3.35.91, a malicious server can crash the mail client with a NULL pointer dereference by sending an invalid (e.g., minimal) CAPABILITY line on a connection attempt. This is related to imapx_free_capability and imapx_connect_to_server.

The weakness was released 07/29/2020. This vulnerability was named CVE-2020-16117 since 07/29/2020. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 3.35.91 eliminates this vulnerability.

Productinfo

Vendor

• GNOME

Name

• evolution-data-server

Version

• 3.35.0
• 3.35.1
• 3.35.2
• 3.35.3
• 3.35.4
• 3.35.5
• 3.35.6
• 3.35.7
• 3.35.8
• 3.35.9
• 3.35.10
• 3.35.11
• 3.35.12
• 3.35.13
• 3.35.14
• 3.35.15
• 3.35.16
• 3.35.17
• 3.35.18
• 3.35.19
• 3.35.20
• 3.35.21
• 3.35.22
• 3.35.23
• 3.35.24
• 3.35.25
• 3.35.26
• 3.35.27
• 3.35.28
• 3.35.29
• 3.35.30
• 3.35.31
• 3.35.32
• 3.35.33
• 3.35.34
• 3.35.35
• 3.35.36
• 3.35.37
• 3.35.38
• 3.35.39
• 3.35.40
• 3.35.41
• 3.35.42
• 3.35.43
• 3.35.44
• 3.35.45
• 3.35.46
• 3.35.47
• 3.35.48
• 3.35.49
• 3.35.50
• 3.35.51
• 3.35.52
• 3.35.53
• 3.35.54
• 3.35.55
• 3.35.56
• 3.35.57
• 3.35.58
• 3.35.59
• 3.35.60
• 3.35.61
• 3.35.62
• 3.35.63
• 3.35.64
• 3.35.65
• 3.35.66
• 3.35.67
• 3.35.68
• 3.35.69
• 3.35.70
• 3.35.71
• 3.35.72
• 3.35.73
• 3.35.74
• 3.35.75
• 3.35.76
• 3.35.77
• 3.35.78
• 3.35.79
• 3.35.80
• 3.35.81
• 3.35.82
• 3.35.83
• 3.35.84
• 3.35.85
• 3.35.86
• 3.35.87
• 3.35.88
• 3.35.89
• 3.35.90

License

• open-source

CPE 2.3info

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CPE 2.2info

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