VDB-130584 · CVE-2018-20760 · Qualys 176694

GPAC 0.7.2 text_import.c gf_text_get_utf8_line Return Value out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability, which was classified as critical, was found in GPAC 0.7.2. Affected is the function gf_text_get_utf8_line of the file media_tools/text_import.c. The manipulation with the input value -1 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:

In GPAC 0.7.2, gf_text_get_utf8_line in media_tools/text_import.c in libgpac_static.a allows an out-of-bounds write because a certain -1 return value is mishandled.

The bug was discovered 12/13/2018. The weakness was shared 02/06/2019 (Website). The advisory is shared for download at lists.debian.org. This vulnerability is traded as CVE-2018-20760 since 02/06/2019. 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 vulnerability was handled as a non-public zero-day exploit for at least 55 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176694 (Debian Security Update for gpac (DLA 1693-1)).

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





CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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NVD Base Score: 7.8
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Class: Out-of-bounds write
CWE: CWE-787 / CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Threat Intelligenceinfo

Interest: 🔍
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Recommended: no mitigation known
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0-Day Time: 🔍

Patch: github.com


12/13/2018 🔍
02/06/2019 +55 days 🔍
02/06/2019 +0 days 🔍
02/07/2019 +1 days 🔍
07/06/2023 +1610 days 🔍


Advisory: 4c1360818fc8948e9307059fba4dc47ba8ad255d
Status: Confirmed

CVE: CVE-2018-20760 (🔍)


Created: 02/07/2019 09:06 AM
Updated: 07/06/2023 02:21 PM
Changes: 02/07/2019 09:06 AM (59), 05/08/2020 04:58 PM (2), 07/06/2023 02:16 PM (4), 07/06/2023 02:21 PM (1)
Complete: 🔍
Cache ID: 44:879:40


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