VDB-109764 · CVE-2017-2897 · Qualys 176356

libxls 1.4 read_MSAT XLS File out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

A vulnerability classified as critical has been found in libxls 1.4. Affected is the function read_MSAT. The manipulation as part of a XLS File leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An exploitable out-of-bounds write vulnerability exists in the read_MSAT function of libxls 1.4. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.

The weakness was shared 11/20/2017 (Website). The advisory is shared for download at talosintelligence.com. This vulnerability is traded as CVE-2017-2897 since 12/01/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 176356 (Debian Security Update for r-cran-readxl (DSA 4173-1)).

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

The entries 109747, 109748, 109763 and 109765 are related to this item.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Talos): 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/2016 🔍
11/20/2017 +354 days 🔍
11/20/2017 +0 days 🔍
11/21/2017 +1 days 🔍
01/11/2023 +1877 days 🔍

Sourcesinfo

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2017-2897 (🔍)
See also: 🔍

Entryinfo

Created: 11/21/2017 07:51
Updated: 01/11/2023 08:40
Changes: 11/21/2017 07:51 (38), 11/21/2017 08:19 (20), 01/11/2023 08:40 (14)
Complete: 🔍

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