X.org X11 Server/libX11 up to 1.7.0 LookupCol.c XLookupColor buffer overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in X.org X11 Server and libX11 up to 1.7.0 (Windowing System Software). Affected is the function XLookupColor
of the file LookupCol.c. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was presented 05/28/2021. The advisory is available at unparalleled.eu. This vulnerability is traded as CVE-2021-31535. Technical details are known, but there is no available exploit.
Upgrading to version 1.7.1 eliminates this vulnerability.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: X11 Server/libX11 1.7.1
Timeline
04/21/2021 🔍05/28/2021 🔍
05/28/2021 🔍
05/30/2021 🔍
Sources
Vendor: x.orgAdvisory: unparalleled.eu
Status: Confirmed
CVE: CVE-2021-31535 (🔍)
Entry
Created: 05/28/2021 07:45Updated: 05/30/2021 14:34
Changes: 05/28/2021 07:45 (40), 05/30/2021 14:34 (5)
Complete: 🔍
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