Summary
It was discovered that FreeRDP incorrectly handled certain memory
operations. A remote attacker could use this issue to cause FreeRDP to
crash, resulting in a denial of service, or possibly execute arbitrary
code.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | freerdp | 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.2 |
Vulnerabilities 13
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Medium 5.5
Out-of-bounds Read in FreeRDP
In FreeRDP greater than 1.1 and before 2.0.0, there is an out-of-bounds read in update_read_icon_info. It allows reading a attacker-defined amount of client memory (32bit unsigned -> 4GB) to an intermediate buffer. This can be used to crash the client or stor…
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Medium 5.5
Improper Restriction of Operations within the Bounds of a Memory Buffer in FreeRDP
In FreeRDP after 1.0 and before 2.0.0, there is a stream out-of-bounds seek in update_read_synchronize that could lead to a later out-of-bounds read.
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Low 2.2
Out-of-bounds Read in FreeRDP
In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bound read in in update_read_bitmap_data that allows client memory to be read to an image buffer. The result displayed on screen as colour.
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Low 2.2
Out-of-bounds Read in FreeRDPrdp_read_flow_control_pdu
In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bounds read. It only allows to abort a session. No data extraction is possible. This has been fixed in 2.0.0.
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Low 2.2
Improper Restriction of Operations within the Bounds of a Memory Buffer in FreeRDP
In FreeRDP after 1.1 and before 2.0.0, a stream out-of-bounds seek in rdp_read_font_capability_set could lead to a later out-of-bounds read. As a result, a manipulated client or server might force a disconnect due to an invalid data read. This has been fixed …
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Unscored —
libfreerdp/codec/planar.c in FreeRDP version > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.
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Unscored —
libfreerdp/gdi/gdi.c in FreeRDP > 1.0 through 2.0.0-rc4 has an Out-of-bounds Read.
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Unscored —
libfreerdp/gdi/region.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Integer Overflow.
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Unscored —
libfreerdp/cache/bitmap.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Out of bounds read.
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Unscored —
libfreerdp/core/update.c in FreeRDP versions > 1.1 through 2.0.0-rc4 has an Out-of-bounds Read.
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Unscored —
An issue was discovered in FreeRDP before 2.1.1. An out-of-bounds (OOB) read vulnerability has been detected in ntlm_re…
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Unscored —
An issue was discovered in FreeRDP before 2.1.1. An out-of-bounds (OOB) read vulnerability has been detected in securit…
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Unscored —CVE-2020-13398 Public exploit
An issue was discovered in FreeRDP before 2.1.1. An out-of-bounds (OOB) write vulnerability has been detected in crypto…
References
-
report
https://ubuntu.com/security/CVE-2020-11042
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report
https://ubuntu.com/security/CVE-2020-11045
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report
https://ubuntu.com/security/CVE-2020-11046
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report
https://ubuntu.com/security/CVE-2020-11048
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report
https://ubuntu.com/security/CVE-2020-11058
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report
https://ubuntu.com/security/CVE-2020-11521
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report
https://ubuntu.com/security/CVE-2020-11522
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report
https://ubuntu.com/security/CVE-2020-11523
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report
https://ubuntu.com/security/CVE-2020-11525
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report
https://ubuntu.com/security/CVE-2020-11526
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report
https://ubuntu.com/security/CVE-2020-13396
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report
https://ubuntu.com/security/CVE-2020-13397
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report
https://ubuntu.com/security/CVE-2020-13398